8870500

素因数分解:

$2^2\times 5^3\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 19669104

約数和(自身を除く): 10798604

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 125, 157, 226, 250, 314, 452, 500, 565, 628, 785, 1130, 1570, 2260, 2825, 3140, 3925, 5650, 7850, 11300, 14125, 15700, 17741, 19625, 28250, 35482, 39250, 56500, 70964, 78500, 88705, 177410, 354820, 443525, 887050, 1774100, 2217625, 4435250, 8870500]

約数ペア:

[(1, 8870500), (2, 4435250), (4, 2217625), (5, 1774100), (10, 887050), (20, 443525), (25, 354820), (50, 177410), (100, 88705), (113, 78500), (125, 70964), (157, 56500), (226, 39250), (250, 35482), (314, 28250), (452, 19625), (500, 17741), (565, 15700), (628, 14125), (785, 11300), (1130, 7850), (1570, 5650), (2260, 3925), (2825, 3140)]