30931250

素因数分解:

$2^1\times 5^5\times 7^2\times {\mathrm{101}}^1$

素因数の和:142

約数の個数: 72

約数和(自身を含む): 68128452

約数和(自身を除く): 37197202

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 101, 125, 175, 202, 245, 250, 350, 490, 505, 625, 707, 875, 1010, 1225, 1250, 1414, 1750, 2450, 2525, 3125, 3535, 4375, 4949, 5050, 6125, 6250, 7070, 8750, 9898, 12250, 12625, 17675, 21875, 24745, 25250, 30625, 35350, 43750, 49490, 61250, 63125, 88375, 123725, 126250, 153125, 176750, 247450, 306250, 315625, 441875, 618625, 631250, 883750, 1237250, 2209375, 3093125, 4418750, 6186250, 15465625, 30931250]

約数ペア:

[(1, 30931250), (2, 15465625), (5, 6186250), (7, 4418750), (10, 3093125), (14, 2209375), (25, 1237250), (35, 883750), (49, 631250), (50, 618625), (70, 441875), (98, 315625), (101, 306250), (125, 247450), (175, 176750), (202, 153125), (245, 126250), (250, 123725), (350, 88375), (490, 63125), (505, 61250), (625, 49490), (707, 43750), (875, 35350), (1010, 30625), (1225, 25250), (1250, 24745), (1414, 21875), (1750, 17675), (2450, 12625), (2525, 12250), (3125, 9898), (3535, 8750), (4375, 7070), (4949, 6250), (5050, 6125)]