490930880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:479

約数の個数: 168

約数和(自身を含む): 1329659520

約数和(自身を除く): 838728640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 121, 124, 155, 160, 176, 220, 242, 248, 310, 320, 341, 352, 409, 440, 484, 496, 605, 620, 682, 704, 818, 880, 968, 992, 1210, 1240, 1364, 1636, 1705, 1760, 1936, 1984, 2045, 2420, 2480, 2728, 3272, 3410, 3520, 3751, 3872, 4090, 4499, 4840, 4960, 5456, 6544, 6820, 7502, 7744, 8180, 8998, 9680, 9920, 10912, 12679, 13088, 13640, 15004, 16360, 17996, 18755, 19360, 21824, 22495, 25358, 26176, 27280, 30008, 32720, 35992, 37510, 38720, 44990, 49489, 50716, 54560, 60016, 63395, 65440, 71984, 75020, 89980, 98978, 101432, 109120, 120032, 126790, 130880, 139469, 143968, 150040, 179960, 197956, 202864, 240064, 247445, 253580, 278938, 287936, 300080, 359920, 395912, 405728, 494890, 507160, 557876, 600160, 697345, 719840, 791824, 811456, 989780, 1014320, 1115752, 1200320, 1394690, 1439680, 1534159, 1583648, 1979560, 2028640, 2231504, 2789380, 3068318, 3167296, 3959120, 4057280, 4463008, 5578760, 6136636, 7670795, 7918240, 8926016, 11157520, 12273272, 15341590, 15836480, 22315040, 24546544, 30683180, 44630080, 49093088, 61366360, 98186176, 122732720, 245465440, 490930880]

約数ペア:

[(1, 490930880), (2, 245465440), (4, 122732720), (5, 98186176), (8, 61366360), (10, 49093088), (11, 44630080), (16, 30683180), (20, 24546544), (22, 22315040), (31, 15836480), (32, 15341590), (40, 12273272), (44, 11157520), (55, 8926016), (62, 7918240), (64, 7670795), (80, 6136636), (88, 5578760), (110, 4463008), (121, 4057280), (124, 3959120), (155, 3167296), (160, 3068318), (176, 2789380), (220, 2231504), (242, 2028640), (248, 1979560), (310, 1583648), (320, 1534159), (341, 1439680), (352, 1394690), (409, 1200320), (440, 1115752), (484, 1014320), (496, 989780), (605, 811456), (620, 791824), (682, 719840), (704, 697345), (818, 600160), (880, 557876), (968, 507160), (992, 494890), (1210, 405728), (1240, 395912), (1364, 359920), (1636, 300080), (1705, 287936), (1760, 278938), (1936, 253580), (1984, 247445), (2045, 240064), (2420, 202864), (2480, 197956), (2728, 179960), (3272, 150040), (3410, 143968), (3520, 139469), (3751, 130880), (3872, 126790), (4090, 120032), (4499, 109120), (4840, 101432), (4960, 98978), (5456, 89980), (6544, 75020), (6820, 71984), (7502, 65440), (7744, 63395), (8180, 60016), (8998, 54560), (9680, 50716), (9920, 49489), (10912, 44990), (12679, 38720), (13088, 37510), (13640, 35992), (15004, 32720), (16360, 30008), (17996, 27280), (18755, 26176), (19360, 25358), (21824, 22495)]