71792500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{47}}^2$

素因数の和:131

約数の個数: 90

約数和(自身を含む): 172746266

約数和(自身を除く): 100953766

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 125, 130, 188, 235, 250, 260, 325, 470, 500, 611, 625, 650, 940, 1175, 1222, 1250, 1300, 1625, 2209, 2350, 2444, 2500, 3055, 3250, 4418, 4700, 5875, 6110, 6500, 8125, 8836, 11045, 11750, 12220, 15275, 16250, 22090, 23500, 28717, 29375, 30550, 32500, 44180, 55225, 57434, 58750, 61100, 76375, 110450, 114868, 117500, 143585, 152750, 220900, 276125, 287170, 305500, 381875, 552250, 574340, 717925, 763750, 1104500, 1380625, 1435850, 1527500, 2761250, 2871700, 3589625, 5522500, 7179250, 14358500, 17948125, 35896250, 71792500]

約数ペア:

[(1, 71792500), (2, 35896250), (4, 17948125), (5, 14358500), (10, 7179250), (13, 5522500), (20, 3589625), (25, 2871700), (26, 2761250), (47, 1527500), (50, 1435850), (52, 1380625), (65, 1104500), (94, 763750), (100, 717925), (125, 574340), (130, 552250), (188, 381875), (235, 305500), (250, 287170), (260, 276125), (325, 220900), (470, 152750), (500, 143585), (611, 117500), (625, 114868), (650, 110450), (940, 76375), (1175, 61100), (1222, 58750), (1250, 57434), (1300, 55225), (1625, 44180), (2209, 32500), (2350, 30550), (2444, 29375), (2500, 28717), (3055, 23500), (3250, 22090), (4418, 16250), (4700, 15275), (5875, 12220), (6110, 11750), (6500, 11045), (8125, 8836)]