28345700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 64912512

約数和(自身を除く): 36566812

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 47, 50, 74, 94, 100, 148, 163, 185, 188, 235, 326, 370, 470, 652, 740, 815, 925, 940, 1175, 1630, 1739, 1850, 2350, 3260, 3478, 3700, 4075, 4700, 6031, 6956, 7661, 8150, 8695, 12062, 15322, 16300, 17390, 24124, 30155, 30644, 34780, 38305, 43475, 60310, 76610, 86950, 120620, 150775, 153220, 173900, 191525, 283457, 301550, 383050, 566914, 603100, 766100, 1133828, 1417285, 2834570, 5669140, 7086425, 14172850, 28345700]

約数ペア:

[(1, 28345700), (2, 14172850), (4, 7086425), (5, 5669140), (10, 2834570), (20, 1417285), (25, 1133828), (37, 766100), (47, 603100), (50, 566914), (74, 383050), (94, 301550), (100, 283457), (148, 191525), (163, 173900), (185, 153220), (188, 150775), (235, 120620), (326, 86950), (370, 76610), (470, 60310), (652, 43475), (740, 38305), (815, 34780), (925, 30644), (940, 30155), (1175, 24124), (1630, 17390), (1739, 16300), (1850, 15322), (2350, 12062), (3260, 8695), (3478, 8150), (3700, 7661), (4075, 6956), (4700, 6031)]