20137588400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:448

約数の個数: 240

約数和(自身を含む): 51478848000

約数和(自身を除く): 31341259600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 61, 80, 100, 116, 122, 145, 149, 191, 200, 232, 244, 290, 298, 305, 382, 400, 464, 488, 580, 596, 610, 725, 745, 764, 955, 976, 1160, 1192, 1220, 1450, 1490, 1525, 1528, 1769, 1910, 2320, 2384, 2440, 2900, 2980, 3050, 3056, 3538, 3725, 3820, 4321, 4775, 4880, 5539, 5800, 5960, 6100, 7076, 7450, 7640, 8642, 8845, 9089, 9550, 11078, 11600, 11651, 11920, 12200, 14152, 14900, 15280, 17284, 17690, 18178, 19100, 21605, 22156, 23302, 24400, 27695, 28304, 28459, 29800, 34568, 35380, 36356, 38200, 43210, 44225, 44312, 45445, 46604, 55390, 56918, 58255, 59600, 69136, 70760, 72712, 76400, 86420, 88450, 88624, 90890, 93208, 108025, 110780, 113836, 116510, 138475, 141520, 142295, 145424, 172840, 176900, 181780, 186416, 216050, 221560, 227225, 227672, 233020, 263581, 276950, 284590, 291275, 337879, 345680, 353800, 363560, 432100, 443120, 454450, 455344, 466040, 527162, 553900, 569180, 582550, 675758, 707600, 711475, 727120, 825311, 864200, 908900, 932080, 1054324, 1107800, 1138360, 1165100, 1317905, 1351516, 1422950, 1650622, 1689395, 1728400, 1735999, 1817800, 2108648, 2215600, 2276720, 2330200, 2635810, 2703032, 2845900, 3301244, 3378790, 3471998, 3635600, 4126555, 4217296, 4660400, 5271620, 5406064, 5691800, 6589525, 6602488, 6757580, 6943996, 8253110, 8446975, 8679995, 10543240, 11383600, 13179050, 13204976, 13515160, 13887992, 16506220, 16893950, 17359990, 20632775, 21086480, 26358100, 27030320, 27775984, 33012440, 33787900, 34719980, 41265550, 43399975, 50343971, 52716200, 66024880, 67575800, 69439960, 82531100, 86799950, 100687942, 105432400, 135151600, 138879920, 165062200, 173599900, 201375884, 251719855, 330124400, 347199800, 402751768, 503439710, 694399600, 805503536, 1006879420, 1258599275, 2013758840, 2517198550, 4027517680, 5034397100, 10068794200, 20137588400]

約数ペア:

[(1, 20137588400), (2, 10068794200), (4, 5034397100), (5, 4027517680), (8, 2517198550), (10, 2013758840), (16, 1258599275), (20, 1006879420), (25, 805503536), (29, 694399600), (40, 503439710), (50, 402751768), (58, 347199800), (61, 330124400), (80, 251719855), (100, 201375884), (116, 173599900), (122, 165062200), (145, 138879920), (149, 135151600), (191, 105432400), (200, 100687942), (232, 86799950), (244, 82531100), (290, 69439960), (298, 67575800), (305, 66024880), (382, 52716200), (400, 50343971), (464, 43399975), (488, 41265550), (580, 34719980), (596, 33787900), (610, 33012440), (725, 27775984), (745, 27030320), (764, 26358100), (955, 21086480), (976, 20632775), (1160, 17359990), (1192, 16893950), (1220, 16506220), (1450, 13887992), (1490, 13515160), (1525, 13204976), (1528, 13179050), (1769, 11383600), (1910, 10543240), (2320, 8679995), (2384, 8446975), (2440, 8253110), (2900, 6943996), (2980, 6757580), (3050, 6602488), (3056, 6589525), (3538, 5691800), (3725, 5406064), (3820, 5271620), (4321, 4660400), (4775, 4217296), (4880, 4126555), (5539, 3635600), (5800, 3471998), (5960, 3378790), (6100, 3301244), (7076, 2845900), (7450, 2703032), (7640, 2635810), (8642, 2330200), (8845, 2276720), (9089, 2215600), (9550, 2108648), (11078, 1817800), (11600, 1735999), (11651, 1728400), (11920, 1689395), (12200, 1650622), (14152, 1422950), (14900, 1351516), (15280, 1317905), (17284, 1165100), (17690, 1138360), (18178, 1107800), (19100, 1054324), (21605, 932080), (22156, 908900), (23302, 864200), (24400, 825311), (27695, 727120), (28304, 711475), (28459, 707600), (29800, 675758), (34568, 582550), (35380, 569180), (36356, 553900), (38200, 527162), (43210, 466040), (44225, 455344), (44312, 454450), (45445, 443120), (46604, 432100), (55390, 363560), (56918, 353800), (58255, 345680), (59600, 337879), (69136, 291275), (70760, 284590), (72712, 276950), (76400, 263581), (86420, 233020), (88450, 227672), (88624, 227225), (90890, 221560), (93208, 216050), (108025, 186416), (110780, 181780), (113836, 176900), (116510, 172840), (138475, 145424), (141520, 142295)]