90768100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 210924000

約数和(自身を除く): 120155900

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 107, 170, 214, 340, 425, 428, 499, 535, 850, 998, 1070, 1700, 1819, 1996, 2140, 2495, 2675, 3638, 4990, 5350, 7276, 8483, 9095, 9980, 10700, 12475, 16966, 18190, 24950, 33932, 36380, 42415, 45475, 49900, 53393, 84830, 90950, 106786, 169660, 181900, 212075, 213572, 266965, 424150, 533930, 848300, 907681, 1067860, 1334825, 1815362, 2669650, 3630724, 4538405, 5339300, 9076810, 18153620, 22692025, 45384050, 90768100]

約数ペア:

[(1, 90768100), (2, 45384050), (4, 22692025), (5, 18153620), (10, 9076810), (17, 5339300), (20, 4538405), (25, 3630724), (34, 2669650), (50, 1815362), (68, 1334825), (85, 1067860), (100, 907681), (107, 848300), (170, 533930), (214, 424150), (340, 266965), (425, 213572), (428, 212075), (499, 181900), (535, 169660), (850, 106786), (998, 90950), (1070, 84830), (1700, 53393), (1819, 49900), (1996, 45475), (2140, 42415), (2495, 36380), (2675, 33932), (3638, 24950), (4990, 18190), (5350, 16966), (7276, 12475), (8483, 10700), (9095, 9980)]