290866520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 783043200

約数和(自身を除く): 492176680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 113, 116, 140, 145, 203, 226, 232, 280, 290, 317, 406, 452, 565, 580, 634, 791, 812, 904, 1015, 1130, 1160, 1268, 1582, 1585, 1624, 2030, 2219, 2260, 2536, 3164, 3170, 3277, 3955, 4060, 4438, 4520, 6328, 6340, 6554, 7910, 8120, 8876, 9193, 11095, 12680, 13108, 15820, 16385, 17752, 18386, 22190, 22939, 26216, 31640, 32770, 35821, 36772, 44380, 45878, 45965, 64351, 65540, 71642, 73544, 88760, 91756, 91930, 114695, 128702, 131080, 143284, 179105, 183512, 183860, 229390, 250747, 257404, 286568, 321755, 358210, 367720, 458780, 501494, 514808, 643510, 716420, 917560, 1002988, 1038809, 1253735, 1287020, 1432840, 2005976, 2077618, 2507470, 2574040, 4155236, 5014940, 5194045, 7271663, 8310472, 10029880, 10388090, 14543326, 20776180, 29086652, 36358315, 41552360, 58173304, 72716630, 145433260, 290866520]

約数ペア:

[(1, 290866520), (2, 145433260), (4, 72716630), (5, 58173304), (7, 41552360), (8, 36358315), (10, 29086652), (14, 20776180), (20, 14543326), (28, 10388090), (29, 10029880), (35, 8310472), (40, 7271663), (56, 5194045), (58, 5014940), (70, 4155236), (113, 2574040), (116, 2507470), (140, 2077618), (145, 2005976), (203, 1432840), (226, 1287020), (232, 1253735), (280, 1038809), (290, 1002988), (317, 917560), (406, 716420), (452, 643510), (565, 514808), (580, 501494), (634, 458780), (791, 367720), (812, 358210), (904, 321755), (1015, 286568), (1130, 257404), (1160, 250747), (1268, 229390), (1582, 183860), (1585, 183512), (1624, 179105), (2030, 143284), (2219, 131080), (2260, 128702), (2536, 114695), (3164, 91930), (3170, 91756), (3277, 88760), (3955, 73544), (4060, 71642), (4438, 65540), (4520, 64351), (6328, 45965), (6340, 45878), (6554, 44380), (7910, 36772), (8120, 35821), (8876, 32770), (9193, 31640), (11095, 26216), (12680, 22939), (13108, 22190), (15820, 18386), (16385, 17752)]