188486540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{1097}}^1$

素因数の和:1199

約数の個数: 72

約数和(自身を含む): 441606816

約数和(自身を除く): 253120276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 121, 142, 220, 242, 284, 355, 484, 605, 710, 781, 1097, 1210, 1420, 1562, 2194, 2420, 3124, 3905, 4388, 5485, 7810, 8591, 10970, 12067, 15620, 17182, 21940, 24134, 34364, 42955, 48268, 60335, 77887, 85910, 120670, 132737, 155774, 171820, 241340, 265474, 311548, 389435, 530948, 663685, 778870, 856757, 1327370, 1557740, 1713514, 2654740, 3427028, 4283785, 8567570, 9424327, 17135140, 18848654, 37697308, 47121635, 94243270, 188486540]

約数ペア:

[(1, 188486540), (2, 94243270), (4, 47121635), (5, 37697308), (10, 18848654), (11, 17135140), (20, 9424327), (22, 8567570), (44, 4283785), (55, 3427028), (71, 2654740), (110, 1713514), (121, 1557740), (142, 1327370), (220, 856757), (242, 778870), (284, 663685), (355, 530948), (484, 389435), (605, 311548), (710, 265474), (781, 241340), (1097, 171820), (1210, 155774), (1420, 132737), (1562, 120670), (2194, 85910), (2420, 77887), (3124, 60335), (3905, 48268), (4388, 42955), (5485, 34364), (7810, 24134), (8591, 21940), (10970, 17182), (12067, 15620)]