2021786620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{497977}}^1$

素因数の和:498022

約数の個数: 48

約数和(自身を含む): 5019618240

約数和(自身を除く): 2997831620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 497977, 995954, 1991908, 2489885, 3485839, 4979770, 6971678, 9959540, 13943356, 14441333, 17429195, 28882666, 34858390, 57765332, 69716780, 72206665, 101089331, 144413330, 202178662, 288826660, 404357324, 505446655, 1010893310, 2021786620]

約数ペア:

[(1, 2021786620), (2, 1010893310), (4, 505446655), (5, 404357324), (7, 288826660), (10, 202178662), (14, 144413330), (20, 101089331), (28, 72206665), (29, 69716780), (35, 57765332), (58, 34858390), (70, 28882666), (116, 17429195), (140, 14441333), (145, 13943356), (203, 9959540), (290, 6971678), (406, 4979770), (580, 3485839), (812, 2489885), (1015, 1991908), (2030, 995954), (4060, 497977)]