220305100

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 491874768

約数和(自身を除く): 271569668

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 197, 211, 212, 265, 394, 422, 530, 788, 844, 985, 1055, 1060, 1325, 1970, 2110, 2650, 3940, 4220, 4925, 5275, 5300, 9850, 10441, 10550, 11183, 19700, 20882, 21100, 22366, 41567, 41764, 44732, 52205, 55915, 83134, 104410, 111830, 166268, 207835, 208820, 223660, 261025, 279575, 415670, 522050, 559150, 831340, 1039175, 1044100, 1118300, 2078350, 2203051, 4156700, 4406102, 8812204, 11015255, 22030510, 44061020, 55076275, 110152550, 220305100]

約数ペア:

[(1, 220305100), (2, 110152550), (4, 55076275), (5, 44061020), (10, 22030510), (20, 11015255), (25, 8812204), (50, 4406102), (53, 4156700), (100, 2203051), (106, 2078350), (197, 1118300), (211, 1044100), (212, 1039175), (265, 831340), (394, 559150), (422, 522050), (530, 415670), (788, 279575), (844, 261025), (985, 223660), (1055, 208820), (1060, 207835), (1325, 166268), (1970, 111830), (2110, 104410), (2650, 83134), (3940, 55915), (4220, 52205), (4925, 44732), (5275, 41764), (5300, 41567), (9850, 22366), (10441, 21100), (10550, 20882), (11183, 19700)]