161477140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23677}}^1$

素因数の和:23728

約数の個数: 48

約数和(自身を含む): 381878784

約数和(自身を除く): 220401644

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 23677, 47354, 94708, 118385, 236770, 260447, 473540, 520894, 733987, 1041788, 1302235, 1467974, 2604470, 2935948, 3669935, 5208940, 7339870, 8073857, 14679740, 16147714, 32295428, 40369285, 80738570, 161477140]

約数ペア:

[(1, 161477140), (2, 80738570), (4, 40369285), (5, 32295428), (10, 16147714), (11, 14679740), (20, 8073857), (22, 7339870), (31, 5208940), (44, 3669935), (55, 2935948), (62, 2604470), (110, 1467974), (124, 1302235), (155, 1041788), (220, 733987), (310, 520894), (341, 473540), (620, 260447), (682, 236770), (1364, 118385), (1705, 94708), (3410, 47354), (6820, 23677)]