8178940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 22063104

約数和(自身を除く): 13884164

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 47, 55, 70, 77, 94, 110, 113, 140, 154, 188, 220, 226, 235, 308, 329, 385, 452, 470, 517, 565, 658, 770, 791, 940, 1034, 1130, 1243, 1316, 1540, 1582, 1645, 2068, 2260, 2486, 2585, 3164, 3290, 3619, 3955, 4972, 5170, 5311, 6215, 6580, 7238, 7910, 8701, 10340, 10622, 12430, 14476, 15820, 17402, 18095, 21244, 24860, 26555, 34804, 36190, 37177, 43505, 53110, 58421, 72380, 74354, 87010, 106220, 116842, 148708, 174020, 185885, 233684, 292105, 371770, 408947, 584210, 743540, 817894, 1168420, 1635788, 2044735, 4089470, 8178940]

約数ペア:

[(1, 8178940), (2, 4089470), (4, 2044735), (5, 1635788), (7, 1168420), (10, 817894), (11, 743540), (14, 584210), (20, 408947), (22, 371770), (28, 292105), (35, 233684), (44, 185885), (47, 174020), (55, 148708), (70, 116842), (77, 106220), (94, 87010), (110, 74354), (113, 72380), (140, 58421), (154, 53110), (188, 43505), (220, 37177), (226, 36190), (235, 34804), (308, 26555), (329, 24860), (385, 21244), (452, 18095), (470, 17402), (517, 15820), (565, 14476), (658, 12430), (770, 10622), (791, 10340), (940, 8701), (1034, 7910), (1130, 7238), (1243, 6580), (1316, 6215), (1540, 5311), (1582, 5170), (1645, 4972), (2068, 3955), (2260, 3619), (2486, 3290), (2585, 3164)]