1996129540

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1\times {\mathrm{2887}}^1$

素因数の和:3268

約数の個数: 48

約数和(自身を含む): 4238567424

約数和(自身を除く): 2242437884

約数列:

[1, 2, 4, 5, 10, 20, 181, 191, 362, 382, 724, 764, 905, 955, 1810, 1910, 2887, 3620, 3820, 5774, 11548, 14435, 28870, 34571, 57740, 69142, 138284, 172855, 345710, 522547, 551417, 691420, 1045094, 1102834, 2090188, 2205668, 2612735, 2757085, 5225470, 5514170, 10450940, 11028340, 99806477, 199612954, 399225908, 499032385, 998064770, 1996129540]

約数ペア:

[(1, 1996129540), (2, 998064770), (4, 499032385), (5, 399225908), (10, 199612954), (20, 99806477), (181, 11028340), (191, 10450940), (362, 5514170), (382, 5225470), (724, 2757085), (764, 2612735), (905, 2205668), (955, 2090188), (1810, 1102834), (1910, 1045094), (2887, 691420), (3620, 551417), (3820, 522547), (5774, 345710), (11548, 172855), (14435, 138284), (28870, 69142), (34571, 57740)]