245495200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:591

約数の個数: 144

約数和(自身を含む): 652458240

約数和(自身を除く): 406963040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 160, 190, 200, 248, 304, 310, 380, 400, 475, 496, 521, 589, 608, 620, 760, 775, 800, 950, 992, 1042, 1178, 1240, 1520, 1550, 1900, 2084, 2356, 2480, 2605, 2945, 3040, 3100, 3800, 4168, 4712, 4960, 5210, 5890, 6200, 7600, 8336, 9424, 9899, 10420, 11780, 12400, 13025, 14725, 15200, 16151, 16672, 18848, 19798, 20840, 23560, 24800, 26050, 29450, 32302, 39596, 41680, 47120, 49495, 52100, 58900, 64604, 79192, 80755, 83360, 94240, 98990, 104200, 117800, 129208, 158384, 161510, 197980, 208400, 235600, 247475, 258416, 306869, 316768, 323020, 395960, 403775, 416800, 471200, 494950, 516832, 613738, 646040, 791920, 807550, 989900, 1227476, 1292080, 1534345, 1583840, 1615100, 1979800, 2454952, 2584160, 3068690, 3230200, 3959600, 4909904, 6137380, 6460400, 7671725, 7919200, 9819808, 12274760, 12920800, 15343450, 24549520, 30686900, 49099040, 61373800, 122747600, 245495200]

約数ペア:

[(1, 245495200), (2, 122747600), (4, 61373800), (5, 49099040), (8, 30686900), (10, 24549520), (16, 15343450), (19, 12920800), (20, 12274760), (25, 9819808), (31, 7919200), (32, 7671725), (38, 6460400), (40, 6137380), (50, 4909904), (62, 3959600), (76, 3230200), (80, 3068690), (95, 2584160), (100, 2454952), (124, 1979800), (152, 1615100), (155, 1583840), (160, 1534345), (190, 1292080), (200, 1227476), (248, 989900), (304, 807550), (310, 791920), (380, 646040), (400, 613738), (475, 516832), (496, 494950), (521, 471200), (589, 416800), (608, 403775), (620, 395960), (760, 323020), (775, 316768), (800, 306869), (950, 258416), (992, 247475), (1042, 235600), (1178, 208400), (1240, 197980), (1520, 161510), (1550, 158384), (1900, 129208), (2084, 117800), (2356, 104200), (2480, 98990), (2605, 94240), (2945, 83360), (3040, 80755), (3100, 79192), (3800, 64604), (4168, 58900), (4712, 52100), (4960, 49495), (5210, 47120), (5890, 41680), (6200, 39596), (7600, 32302), (8336, 29450), (9424, 26050), (9899, 24800), (10420, 23560), (11780, 20840), (12400, 19798), (13025, 18848), (14725, 16672), (15200, 16151)]