28016940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1627}}^1$

素因数の和:1687

約数の個数: 96

約数和(自身を含む): 91897344

約数和(自身を除く): 63880404

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1148, 1230, 1435, 1627, 1722, 2460, 2870, 3254, 3444, 4305, 4881, 5740, 6508, 8135, 8610, 9762, 11389, 16270, 17220, 19524, 22778, 24405, 32540, 34167, 45556, 48810, 56945, 66707, 68334, 97620, 113890, 133414, 136668, 170835, 200121, 227780, 266828, 333535, 341670, 400242, 466949, 667070, 683340, 800484, 933898, 1000605, 1334140, 1400847, 1867796, 2001210, 2334745, 2801694, 4002420, 4669490, 5603388, 7004235, 9338980, 14008470, 28016940]

約数ペア:

[(1, 28016940), (2, 14008470), (3, 9338980), (4, 7004235), (5, 5603388), (6, 4669490), (7, 4002420), (10, 2801694), (12, 2334745), (14, 2001210), (15, 1867796), (20, 1400847), (21, 1334140), (28, 1000605), (30, 933898), (35, 800484), (41, 683340), (42, 667070), (60, 466949), (70, 400242), (82, 341670), (84, 333535), (105, 266828), (123, 227780), (140, 200121), (164, 170835), (205, 136668), (210, 133414), (246, 113890), (287, 97620), (410, 68334), (420, 66707), (492, 56945), (574, 48810), (615, 45556), (820, 34167), (861, 32540), (1148, 24405), (1230, 22778), (1435, 19524), (1627, 17220), (1722, 16270), (2460, 11389), (2870, 9762), (3254, 8610), (3444, 8135), (4305, 6508), (4881, 5740)]