8700620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 19100928

約数和(自身を除く): 10400308

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 134, 151, 172, 215, 268, 302, 335, 430, 604, 670, 755, 860, 1340, 1510, 2881, 3020, 5762, 6493, 10117, 11524, 12986, 14405, 20234, 25972, 28810, 32465, 40468, 50585, 57620, 64930, 101170, 129860, 202340, 435031, 870062, 1740124, 2175155, 4350310, 8700620]

約数ペア:

[(1, 8700620), (2, 4350310), (4, 2175155), (5, 1740124), (10, 870062), (20, 435031), (43, 202340), (67, 129860), (86, 101170), (134, 64930), (151, 57620), (172, 50585), (215, 40468), (268, 32465), (302, 28810), (335, 25972), (430, 20234), (604, 14405), (670, 12986), (755, 11524), (860, 10117), (1340, 6493), (1510, 5762), (2881, 3020)]