50720500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:338

約数の個数: 72

約数和(自身を含む): 117326664

約数和(自身を除く): 66606164

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 281, 361, 380, 475, 500, 562, 722, 950, 1124, 1405, 1444, 1805, 1900, 2375, 2810, 3610, 4750, 5339, 5620, 7025, 7220, 9025, 9500, 10678, 14050, 18050, 21356, 26695, 28100, 35125, 36100, 45125, 53390, 70250, 90250, 101441, 106780, 133475, 140500, 180500, 202882, 266950, 405764, 507205, 533900, 667375, 1014410, 1334750, 2028820, 2536025, 2669500, 5072050, 10144100, 12680125, 25360250, 50720500]

約数ペア:

[(1, 50720500), (2, 25360250), (4, 12680125), (5, 10144100), (10, 5072050), (19, 2669500), (20, 2536025), (25, 2028820), (38, 1334750), (50, 1014410), (76, 667375), (95, 533900), (100, 507205), (125, 405764), (190, 266950), (250, 202882), (281, 180500), (361, 140500), (380, 133475), (475, 106780), (500, 101441), (562, 90250), (722, 70250), (950, 53390), (1124, 45125), (1405, 36100), (1444, 35125), (1805, 28100), (1900, 26695), (2375, 21356), (2810, 18050), (3610, 14050), (4750, 10678), (5339, 9500), (5620, 9025), (7025, 7220)]