521139990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{6689}}^1$

素因数の和:6766

約数の個数: 96

約数和(自身を含む): 1482611040

約数和(自身を除く): 961471050

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 53, 70, 98, 105, 106, 147, 159, 210, 245, 265, 294, 318, 371, 490, 530, 735, 742, 795, 1113, 1470, 1590, 1855, 2226, 2597, 3710, 5194, 5565, 6689, 7791, 11130, 12985, 13378, 15582, 20067, 25970, 33445, 38955, 40134, 46823, 66890, 77910, 93646, 100335, 140469, 200670, 234115, 280938, 327761, 354517, 468230, 655522, 702345, 709034, 983283, 1063551, 1404690, 1638805, 1772585, 1966566, 2127102, 2481619, 3277610, 3545170, 4916415, 4963238, 5317755, 7444857, 9832830, 10635510, 12408095, 14889714, 17371333, 24816190, 34742666, 37224285, 52113999, 74448570, 86856665, 104227998, 173713330, 260569995, 521139990]

約数ペア:

[(1, 521139990), (2, 260569995), (3, 173713330), (5, 104227998), (6, 86856665), (7, 74448570), (10, 52113999), (14, 37224285), (15, 34742666), (21, 24816190), (30, 17371333), (35, 14889714), (42, 12408095), (49, 10635510), (53, 9832830), (70, 7444857), (98, 5317755), (105, 4963238), (106, 4916415), (147, 3545170), (159, 3277610), (210, 2481619), (245, 2127102), (265, 1966566), (294, 1772585), (318, 1638805), (371, 1404690), (490, 1063551), (530, 983283), (735, 709034), (742, 702345), (795, 655522), (1113, 468230), (1470, 354517), (1590, 327761), (1855, 280938), (2226, 234115), (2597, 200670), (3710, 140469), (5194, 100335), (5565, 93646), (6689, 77910), (7791, 66890), (11130, 46823), (12985, 40134), (13378, 38955), (15582, 33445), (20067, 25970)]