8990630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^2$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 18525456

約数和(自身を除く): 9534826

約数列:

[1, 2, 5, 10, 11, 22, 37, 47, 55, 74, 94, 110, 185, 235, 370, 407, 470, 517, 814, 1034, 1739, 2035, 2209, 2585, 3478, 4070, 4418, 5170, 8695, 11045, 17390, 19129, 22090, 24299, 38258, 48598, 81733, 95645, 121495, 163466, 191290, 242990, 408665, 817330, 899063, 1798126, 4495315, 8990630]

約数ペア:

[(1, 8990630), (2, 4495315), (5, 1798126), (10, 899063), (11, 817330), (22, 408665), (37, 242990), (47, 191290), (55, 163466), (74, 121495), (94, 95645), (110, 81733), (185, 48598), (235, 38258), (370, 24299), (407, 22090), (470, 19129), (517, 17390), (814, 11045), (1034, 8695), (1739, 5170), (2035, 4418), (2209, 4070), (2585, 3478)]