488706680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1571}}^1$

素因数の和:1701

約数の個数: 128

約数和(自身を含む): 1385372160

約数和(自身を除く): 896665480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 101, 110, 140, 154, 202, 220, 280, 308, 385, 404, 440, 505, 616, 707, 770, 808, 1010, 1111, 1414, 1540, 1571, 2020, 2222, 2828, 3080, 3142, 3535, 4040, 4444, 5555, 5656, 6284, 7070, 7777, 7855, 8888, 10997, 11110, 12568, 14140, 15554, 15710, 17281, 21994, 22220, 28280, 31108, 31420, 34562, 38885, 43988, 44440, 54985, 62216, 62840, 69124, 77770, 86405, 87976, 109970, 120967, 138248, 155540, 158671, 172810, 219940, 241934, 311080, 317342, 345620, 439880, 483868, 604835, 634684, 691240, 793355, 967736, 1110697, 1209670, 1269368, 1586710, 1745381, 2221394, 2419340, 3173420, 3490762, 4442788, 4838680, 5553485, 6346840, 6981524, 8726905, 8885576, 11106970, 12217667, 13963048, 17453810, 22213940, 24435334, 34907620, 44427880, 48870668, 61088335, 69815240, 97741336, 122176670, 244353340, 488706680]

約数ペア:

[(1, 488706680), (2, 244353340), (4, 122176670), (5, 97741336), (7, 69815240), (8, 61088335), (10, 48870668), (11, 44427880), (14, 34907620), (20, 24435334), (22, 22213940), (28, 17453810), (35, 13963048), (40, 12217667), (44, 11106970), (55, 8885576), (56, 8726905), (70, 6981524), (77, 6346840), (88, 5553485), (101, 4838680), (110, 4442788), (140, 3490762), (154, 3173420), (202, 2419340), (220, 2221394), (280, 1745381), (308, 1586710), (385, 1269368), (404, 1209670), (440, 1110697), (505, 967736), (616, 793355), (707, 691240), (770, 634684), (808, 604835), (1010, 483868), (1111, 439880), (1414, 345620), (1540, 317342), (1571, 311080), (2020, 241934), (2222, 219940), (2828, 172810), (3080, 158671), (3142, 155540), (3535, 138248), (4040, 120967), (4444, 109970), (5555, 87976), (5656, 86405), (6284, 77770), (7070, 69124), (7777, 62840), (7855, 62216), (8888, 54985), (10997, 44440), (11110, 43988), (12568, 38885), (14140, 34562), (15554, 31420), (15710, 31108), (17281, 28280), (21994, 22220)]