331319960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1193}}^1$

素因数の和:1388

約数の個数: 64

約数和(自身を含む): 765974880

約数和(自身を除く): 434654920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 131, 212, 262, 265, 424, 524, 530, 655, 1048, 1060, 1193, 1310, 2120, 2386, 2620, 4772, 5240, 5965, 6943, 9544, 11930, 13886, 23860, 27772, 34715, 47720, 55544, 63229, 69430, 126458, 138860, 156283, 252916, 277720, 312566, 316145, 505832, 625132, 632290, 781415, 1250264, 1264580, 1562830, 2529160, 3125660, 6251320, 8282999, 16565998, 33131996, 41414995, 66263992, 82829990, 165659980, 331319960]

約数ペア:

[(1, 331319960), (2, 165659980), (4, 82829990), (5, 66263992), (8, 41414995), (10, 33131996), (20, 16565998), (40, 8282999), (53, 6251320), (106, 3125660), (131, 2529160), (212, 1562830), (262, 1264580), (265, 1250264), (424, 781415), (524, 632290), (530, 625132), (655, 505832), (1048, 316145), (1060, 312566), (1193, 277720), (1310, 252916), (2120, 156283), (2386, 138860), (2620, 126458), (4772, 69430), (5240, 63229), (5965, 55544), (6943, 47720), (9544, 34715), (11930, 27772), (13886, 23860)]