251012355275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{821}}^1\times {\mathrm{1907}}^1$

素因数の和:2813

約数の個数: 72

約数和(自身を含む): 349186369392

約数和(自身を除く): 98174014117

約数列:

[1, 5, 11, 25, 53, 55, 121, 265, 275, 583, 605, 821, 1325, 1907, 2915, 3025, 4105, 6413, 9031, 9535, 14575, 20525, 20977, 32065, 43513, 45155, 47675, 99341, 101071, 104885, 160325, 217565, 225775, 230747, 478643, 496705, 505355, 524425, 1087825, 1111781, 1153735, 1565647, 2393215, 2483525, 2526775, 5265073, 5558905, 5768675, 7828235, 11966075, 12229591, 17222117, 26325365, 27794525, 39141175, 61147955, 82979291, 86110585, 131626825, 189443287, 305739775, 414896455, 430552925, 912772201, 947216435, 2074482275, 4563861005, 4736082175, 10040494211, 22819305025, 50202471055, 251012355275]

約数ペア:

[(1, 251012355275), (5, 50202471055), (11, 22819305025), (25, 10040494211), (53, 4736082175), (55, 4563861005), (121, 2074482275), (265, 947216435), (275, 912772201), (583, 430552925), (605, 414896455), (821, 305739775), (1325, 189443287), (1907, 131626825), (2915, 86110585), (3025, 82979291), (4105, 61147955), (6413, 39141175), (9031, 27794525), (9535, 26325365), (14575, 17222117), (20525, 12229591), (20977, 11966075), (32065, 7828235), (43513, 5768675), (45155, 5558905), (47675, 5265073), (99341, 2526775), (101071, 2483525), (104885, 2393215), (160325, 1565647), (217565, 1153735), (225775, 1111781), (230747, 1087825), (478643, 524425), (496705, 505355)]