206259020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{2939}}^1$

素因数の和:2999

約数の個数: 72

約数和(自身を含む): 492685200

約数和(自身を除く): 286426180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 290, 319, 484, 580, 605, 638, 1210, 1276, 1595, 2420, 2939, 3190, 3509, 5878, 6380, 7018, 11756, 14036, 14695, 17545, 29390, 32329, 35090, 58780, 64658, 70180, 85231, 129316, 161645, 170462, 323290, 340924, 355619, 426155, 646580, 711238, 852310, 937541, 1422476, 1704620, 1778095, 1875082, 3556190, 3750164, 4687705, 7112380, 9375410, 10312951, 18750820, 20625902, 41251804, 51564755, 103129510, 206259020]

約数ペア:

[(1, 206259020), (2, 103129510), (4, 51564755), (5, 41251804), (10, 20625902), (11, 18750820), (20, 10312951), (22, 9375410), (29, 7112380), (44, 4687705), (55, 3750164), (58, 3556190), (110, 1875082), (116, 1778095), (121, 1704620), (145, 1422476), (220, 937541), (242, 852310), (290, 711238), (319, 646580), (484, 426155), (580, 355619), (605, 340924), (638, 323290), (1210, 170462), (1276, 161645), (1595, 129316), (2420, 85231), (2939, 70180), (3190, 64658), (3509, 58780), (5878, 35090), (6380, 32329), (7018, 29390), (11756, 17545), (14036, 14695)]