398391960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25343}}^1$

素因数の和:25488

約数の個数: 64

約数和(自身を含む): 1204346880

約数和(自身を除く): 805954920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 15720, 25343, 50686, 76029, 101372, 126715, 152058, 202744, 253430, 304116, 380145, 506860, 608232, 760290, 1013720, 1520580, 3041160, 3319933, 6639866, 9959799, 13279732, 16599665, 19919598, 26559464, 33199330, 39839196, 49798995, 66398660, 79678392, 99597990, 132797320, 199195980, 398391960]

約数ペア:

[(1, 398391960), (2, 199195980), (3, 132797320), (4, 99597990), (5, 79678392), (6, 66398660), (8, 49798995), (10, 39839196), (12, 33199330), (15, 26559464), (20, 19919598), (24, 16599665), (30, 13279732), (40, 9959799), (60, 6639866), (120, 3319933), (131, 3041160), (262, 1520580), (393, 1013720), (524, 760290), (655, 608232), (786, 506860), (1048, 380145), (1310, 304116), (1572, 253430), (1965, 202744), (2620, 152058), (3144, 126715), (3930, 101372), (5240, 76029), (7860, 50686), (15720, 25343)]