30953500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2047

約数の個数: 48

約数和(自身を含む): 69818112

約数和(自身を除く): 38864612

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 1550, 1997, 3100, 3875, 3994, 7750, 7988, 9985, 15500, 19970, 39940, 49925, 61907, 99850, 123814, 199700, 247628, 249625, 309535, 499250, 619070, 998500, 1238140, 1547675, 3095350, 6190700, 7738375, 15476750, 30953500]

約数ペア:

[(1, 30953500), (2, 15476750), (4, 7738375), (5, 6190700), (10, 3095350), (20, 1547675), (25, 1238140), (31, 998500), (50, 619070), (62, 499250), (100, 309535), (124, 249625), (125, 247628), (155, 199700), (250, 123814), (310, 99850), (500, 61907), (620, 49925), (775, 39940), (1550, 19970), (1997, 15500), (3100, 9985), (3875, 7988), (3994, 7750)]