28837750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{61}}^2$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 56654208

約数和(自身を除く): 27816458

約数列:

[1, 2, 5, 10, 25, 31, 50, 61, 62, 122, 125, 155, 250, 305, 310, 610, 775, 1525, 1550, 1891, 3050, 3721, 3782, 3875, 7442, 7625, 7750, 9455, 15250, 18605, 18910, 37210, 47275, 93025, 94550, 115351, 186050, 230702, 236375, 465125, 472750, 576755, 930250, 1153510, 2883775, 5767550, 14418875, 28837750]

約数ペア:

[(1, 28837750), (2, 14418875), (5, 5767550), (10, 2883775), (25, 1153510), (31, 930250), (50, 576755), (61, 472750), (62, 465125), (122, 236375), (125, 230702), (155, 186050), (250, 115351), (305, 94550), (310, 93025), (610, 47275), (775, 37210), (1525, 18910), (1550, 18605), (1891, 15250), (3050, 9455), (3721, 7750), (3782, 7625), (3875, 7442)]