259875220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:721

約数の個数: 96

約数和(自身を含む): 623863296

約数和(自身を除く): 363988076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 47, 55, 82, 94, 110, 164, 188, 205, 220, 235, 410, 451, 470, 517, 613, 820, 902, 940, 1034, 1226, 1804, 1927, 2068, 2255, 2452, 2585, 3065, 3854, 4510, 5170, 6130, 6743, 7708, 9020, 9635, 10340, 12260, 13486, 19270, 21197, 25133, 26972, 28811, 33715, 38540, 42394, 50266, 57622, 67430, 84788, 100532, 105985, 115244, 125665, 134860, 144055, 211970, 251330, 276463, 288110, 316921, 423940, 502660, 552926, 576220, 633842, 1105852, 1181251, 1267684, 1382315, 1584605, 2362502, 2764630, 3169210, 4725004, 5529260, 5906255, 6338420, 11812510, 12993761, 23625020, 25987522, 51975044, 64968805, 129937610, 259875220]

約数ペア:

[(1, 259875220), (2, 129937610), (4, 64968805), (5, 51975044), (10, 25987522), (11, 23625020), (20, 12993761), (22, 11812510), (41, 6338420), (44, 5906255), (47, 5529260), (55, 4725004), (82, 3169210), (94, 2764630), (110, 2362502), (164, 1584605), (188, 1382315), (205, 1267684), (220, 1181251), (235, 1105852), (410, 633842), (451, 576220), (470, 552926), (517, 502660), (613, 423940), (820, 316921), (902, 288110), (940, 276463), (1034, 251330), (1226, 211970), (1804, 144055), (1927, 134860), (2068, 125665), (2255, 115244), (2452, 105985), (2585, 100532), (3065, 84788), (3854, 67430), (4510, 57622), (5170, 50266), (6130, 42394), (6743, 38540), (7708, 33715), (9020, 28811), (9635, 26972), (10340, 25133), (12260, 21197), (13486, 19270)]