806990140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{347}}^1$

素因数の和:440

約数の個数: 108

約数和(自身を含む): 1930320504

約数和(自身を除く): 1123330364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 347, 484, 605, 620, 682, 694, 961, 1210, 1364, 1388, 1705, 1735, 1922, 2420, 3410, 3470, 3751, 3817, 3844, 4805, 6820, 6940, 7502, 7634, 9610, 10571, 10757, 15004, 15268, 18755, 19085, 19220, 21142, 21514, 37510, 38170, 41987, 42284, 43028, 52855, 53785, 75020, 76340, 83974, 105710, 107570, 116281, 118327, 167948, 209935, 211420, 215140, 232562, 236654, 333467, 419870, 465124, 473308, 581405, 591635, 666934, 839740, 1162810, 1183270, 1301597, 1333868, 1667335, 2325620, 2366540, 2603194, 3334670, 3668137, 5206388, 6507985, 6669340, 7336274, 13015970, 14672548, 18340685, 26031940, 36681370, 40349507, 73362740, 80699014, 161398028, 201747535, 403495070, 806990140]

約数ペア:

[(1, 806990140), (2, 403495070), (4, 201747535), (5, 161398028), (10, 80699014), (11, 73362740), (20, 40349507), (22, 36681370), (31, 26031940), (44, 18340685), (55, 14672548), (62, 13015970), (110, 7336274), (121, 6669340), (124, 6507985), (155, 5206388), (220, 3668137), (242, 3334670), (310, 2603194), (341, 2366540), (347, 2325620), (484, 1667335), (605, 1333868), (620, 1301597), (682, 1183270), (694, 1162810), (961, 839740), (1210, 666934), (1364, 591635), (1388, 581405), (1705, 473308), (1735, 465124), (1922, 419870), (2420, 333467), (3410, 236654), (3470, 232562), (3751, 215140), (3817, 211420), (3844, 209935), (4805, 167948), (6820, 118327), (6940, 116281), (7502, 107570), (7634, 105710), (9610, 83974), (10571, 76340), (10757, 75020), (15004, 53785), (15268, 52855), (18755, 43028), (19085, 42284), (19220, 41987), (21142, 38170), (21514, 37510)]