164050900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2381}}^1$

素因数の和:2461

約数の個数: 72

約数和(自身を含む): 390771864

約数和(自身を除く): 226720964

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 130, 212, 260, 265, 325, 530, 650, 689, 1060, 1300, 1325, 1378, 2381, 2650, 2756, 3445, 4762, 5300, 6890, 9524, 11905, 13780, 17225, 23810, 30953, 34450, 47620, 59525, 61906, 68900, 119050, 123812, 126193, 154765, 238100, 252386, 309530, 504772, 619060, 630965, 773825, 1261930, 1547650, 1640509, 2523860, 3095300, 3154825, 3281018, 6309650, 6562036, 8202545, 12619300, 16405090, 32810180, 41012725, 82025450, 164050900]

約数ペア:

[(1, 164050900), (2, 82025450), (4, 41012725), (5, 32810180), (10, 16405090), (13, 12619300), (20, 8202545), (25, 6562036), (26, 6309650), (50, 3281018), (52, 3154825), (53, 3095300), (65, 2523860), (100, 1640509), (106, 1547650), (130, 1261930), (212, 773825), (260, 630965), (265, 619060), (325, 504772), (530, 309530), (650, 252386), (689, 238100), (1060, 154765), (1300, 126193), (1325, 123812), (1378, 119050), (2381, 68900), (2650, 61906), (2756, 59525), (3445, 47620), (4762, 34450), (5300, 30953), (6890, 23810), (9524, 17225), (11905, 13780)]