320540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:98

約数の個数: 48

約数和(自身を含む): 774144

約数和(自身を除く): 453604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 47, 55, 62, 94, 110, 124, 155, 188, 220, 235, 310, 341, 470, 517, 620, 682, 940, 1034, 1364, 1457, 1705, 2068, 2585, 2914, 3410, 5170, 5828, 6820, 7285, 10340, 14570, 16027, 29140, 32054, 64108, 80135, 160270, 320540]

約数ペア:

[(1, 320540), (2, 160270), (4, 80135), (5, 64108), (10, 32054), (11, 29140), (20, 16027), (22, 14570), (31, 10340), (44, 7285), (47, 6820), (55, 5828), (62, 5170), (94, 3410), (110, 2914), (124, 2585), (155, 2068), (188, 1705), (220, 1457), (235, 1364), (310, 1034), (341, 940), (470, 682), (517, 620)]