84147580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 208293120

約数和(自身を除く): 124145540

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 41, 44, 55, 76, 82, 95, 110, 164, 190, 205, 209, 220, 380, 410, 418, 451, 491, 779, 820, 836, 902, 982, 1045, 1558, 1804, 1964, 2090, 2255, 2455, 3116, 3895, 4180, 4510, 4910, 5401, 7790, 8569, 9020, 9329, 9820, 10802, 15580, 17138, 18658, 20131, 21604, 27005, 34276, 37316, 40262, 42845, 46645, 54010, 80524, 85690, 93290, 100655, 102619, 108020, 171380, 186580, 201310, 205238, 221441, 382489, 402620, 410476, 442882, 513095, 764978, 885764, 1026190, 1107205, 1529956, 1912445, 2052380, 2214410, 3824890, 4207379, 4428820, 7649780, 8414758, 16829516, 21036895, 42073790, 84147580]

約数ペア:

[(1, 84147580), (2, 42073790), (4, 21036895), (5, 16829516), (10, 8414758), (11, 7649780), (19, 4428820), (20, 4207379), (22, 3824890), (38, 2214410), (41, 2052380), (44, 1912445), (55, 1529956), (76, 1107205), (82, 1026190), (95, 885764), (110, 764978), (164, 513095), (190, 442882), (205, 410476), (209, 402620), (220, 382489), (380, 221441), (410, 205238), (418, 201310), (451, 186580), (491, 171380), (779, 108020), (820, 102619), (836, 100655), (902, 93290), (982, 85690), (1045, 80524), (1558, 54010), (1804, 46645), (1964, 42845), (2090, 40262), (2255, 37316), (2455, 34276), (3116, 27005), (3895, 21604), (4180, 20131), (4510, 18658), (4910, 17138), (5401, 15580), (7790, 10802), (8569, 9820), (9020, 9329)]