2018214980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{97}}^1\times {\mathrm{1237}}^1$

素因数の和:1401

約数の個数: 72

約数和(自身を含む): 4438274568

約数和(自身を除く): 2420059588

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 97, 116, 145, 194, 290, 388, 485, 580, 841, 970, 1237, 1682, 1940, 2474, 2813, 3364, 4205, 4948, 5626, 6185, 8410, 11252, 12370, 14065, 16820, 24740, 28130, 35873, 56260, 71746, 81577, 119989, 143492, 163154, 179365, 239978, 326308, 358730, 407885, 479956, 599945, 717460, 815770, 1040317, 1199890, 1631540, 2080634, 2399780, 3479681, 4161268, 5201585, 6959362, 10403170, 13918724, 17398405, 20806340, 34796810, 69593620, 100910749, 201821498, 403642996, 504553745, 1009107490, 2018214980]

約数ペア:

[(1, 2018214980), (2, 1009107490), (4, 504553745), (5, 403642996), (10, 201821498), (20, 100910749), (29, 69593620), (58, 34796810), (97, 20806340), (116, 17398405), (145, 13918724), (194, 10403170), (290, 6959362), (388, 5201585), (485, 4161268), (580, 3479681), (841, 2399780), (970, 2080634), (1237, 1631540), (1682, 1199890), (1940, 1040317), (2474, 815770), (2813, 717460), (3364, 599945), (4205, 479956), (4948, 407885), (5626, 358730), (6185, 326308), (8410, 239978), (11252, 179365), (12370, 163154), (14065, 143492), (16820, 119989), (24740, 81577), (28130, 71746), (35873, 56260)]