30798500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2037

約数の個数: 48

約数和(自身を含む): 69468672

約数和(自身を除く): 38670172

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 1550, 1987, 3100, 3875, 3974, 7750, 7948, 9935, 15500, 19870, 39740, 49675, 61597, 99350, 123194, 198700, 246388, 248375, 307985, 496750, 615970, 993500, 1231940, 1539925, 3079850, 6159700, 7699625, 15399250, 30798500]

約数ペア:

[(1, 30798500), (2, 15399250), (4, 7699625), (5, 6159700), (10, 3079850), (20, 1539925), (25, 1231940), (31, 993500), (50, 615970), (62, 496750), (100, 307985), (124, 248375), (125, 246388), (155, 198700), (250, 123194), (310, 99350), (500, 61597), (620, 49675), (775, 39740), (1550, 19870), (1987, 15500), (3100, 9935), (3875, 7948), (3974, 7750)]