68690500

素因数分解:

$2^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:182

約数の個数: 96

約数和(自身を含む): 159344640

約数和(自身を除く): 90654140

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 47, 50, 74, 79, 94, 100, 125, 148, 158, 185, 188, 235, 250, 316, 370, 395, 470, 500, 740, 790, 925, 940, 1175, 1580, 1739, 1850, 1975, 2350, 2923, 3478, 3700, 3713, 3950, 4625, 4700, 5846, 5875, 6956, 7426, 7900, 8695, 9250, 9875, 11692, 11750, 14615, 14852, 17390, 18500, 18565, 19750, 23500, 29230, 34780, 37130, 39500, 43475, 58460, 73075, 74260, 86950, 92825, 137381, 146150, 173900, 185650, 217375, 274762, 292300, 365375, 371300, 434750, 464125, 549524, 686905, 730750, 869500, 928250, 1373810, 1461500, 1856500, 2747620, 3434525, 6869050, 13738100, 17172625, 34345250, 68690500]

約数ペア:

[(1, 68690500), (2, 34345250), (4, 17172625), (5, 13738100), (10, 6869050), (20, 3434525), (25, 2747620), (37, 1856500), (47, 1461500), (50, 1373810), (74, 928250), (79, 869500), (94, 730750), (100, 686905), (125, 549524), (148, 464125), (158, 434750), (185, 371300), (188, 365375), (235, 292300), (250, 274762), (316, 217375), (370, 185650), (395, 173900), (470, 146150), (500, 137381), (740, 92825), (790, 86950), (925, 74260), (940, 73075), (1175, 58460), (1580, 43475), (1739, 39500), (1850, 37130), (1975, 34780), (2350, 29230), (2923, 23500), (3478, 19750), (3700, 18565), (3713, 18500), (3950, 17390), (4625, 14852), (4700, 14615), (5846, 11750), (5875, 11692), (6956, 9875), (7426, 9250), (7900, 8695)]