70138900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 165413024

約数和(自身を除く): 95274124

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 163, 260, 325, 326, 331, 650, 652, 662, 815, 1300, 1324, 1630, 1655, 2119, 3260, 3310, 4075, 4238, 4303, 6620, 8150, 8275, 8476, 8606, 10595, 16300, 16550, 17212, 21190, 21515, 33100, 42380, 43030, 52975, 53953, 86060, 105950, 107575, 107906, 211900, 215150, 215812, 269765, 430300, 539530, 701389, 1079060, 1348825, 1402778, 2697650, 2805556, 3506945, 5395300, 7013890, 14027780, 17534725, 35069450, 70138900]

約数ペア:

[(1, 70138900), (2, 35069450), (4, 17534725), (5, 14027780), (10, 7013890), (13, 5395300), (20, 3506945), (25, 2805556), (26, 2697650), (50, 1402778), (52, 1348825), (65, 1079060), (100, 701389), (130, 539530), (163, 430300), (260, 269765), (325, 215812), (326, 215150), (331, 211900), (650, 107906), (652, 107575), (662, 105950), (815, 86060), (1300, 53953), (1324, 52975), (1630, 43030), (1655, 42380), (2119, 33100), (3260, 21515), (3310, 21190), (4075, 17212), (4238, 16550), (4303, 16300), (6620, 10595), (8150, 8606), (8275, 8476)]