251960948680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3557}}^1\times {\mathrm{252983}}^1$

素因数の和:256558

約数の個数: 64

約数和(自身を含む): 648084291840

約数和(自身を除く): 396123343160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3557, 7114, 14228, 17785, 24899, 28456, 35570, 49798, 71140, 99596, 124495, 142280, 199192, 248990, 252983, 497980, 505966, 995960, 1011932, 1264915, 1770881, 2023864, 2529830, 3541762, 5059660, 7083524, 8854405, 10119320, 14167048, 17708810, 35417620, 70835240, 899860531, 1799721062, 3599442124, 4499302655, 6299023717, 7198884248, 8998605310, 12598047434, 17997210620, 25196094868, 31495118585, 35994421240, 50392189736, 62990237170, 125980474340, 251960948680]

約数ペア:

[(1, 251960948680), (2, 125980474340), (4, 62990237170), (5, 50392189736), (7, 35994421240), (8, 31495118585), (10, 25196094868), (14, 17997210620), (20, 12598047434), (28, 8998605310), (35, 7198884248), (40, 6299023717), (56, 4499302655), (70, 3599442124), (140, 1799721062), (280, 899860531), (3557, 70835240), (7114, 35417620), (14228, 17708810), (17785, 14167048), (24899, 10119320), (28456, 8854405), (35570, 7083524), (49798, 5059660), (71140, 3541762), (99596, 2529830), (124495, 2023864), (142280, 1770881), (199192, 1264915), (248990, 1011932), (252983, 995960), (497980, 505966)]