896980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 2217600

約数和(自身を除く): 1320620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 149, 172, 215, 298, 301, 430, 596, 602, 745, 860, 1043, 1204, 1490, 1505, 2086, 2980, 3010, 4172, 5215, 6020, 6407, 10430, 12814, 20860, 25628, 32035, 44849, 64070, 89698, 128140, 179396, 224245, 448490, 896980]

約数ペア:

[(1, 896980), (2, 448490), (4, 224245), (5, 179396), (7, 128140), (10, 89698), (14, 64070), (20, 44849), (28, 32035), (35, 25628), (43, 20860), (70, 12814), (86, 10430), (140, 6407), (149, 6020), (172, 5215), (215, 4172), (298, 3010), (301, 2980), (430, 2086), (596, 1505), (602, 1490), (745, 1204), (860, 1043)]