125401820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{907}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 273358848

約数和(自身を除く): 147957028

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 223, 310, 446, 620, 892, 907, 1115, 1814, 2230, 3628, 4460, 4535, 6913, 9070, 13826, 18140, 27652, 28117, 34565, 56234, 69130, 112468, 138260, 140585, 202261, 281170, 404522, 562340, 809044, 1011305, 2022610, 4045220, 6270091, 12540182, 25080364, 31350455, 62700910, 125401820]

約数ペア:

[(1, 125401820), (2, 62700910), (4, 31350455), (5, 25080364), (10, 12540182), (20, 6270091), (31, 4045220), (62, 2022610), (124, 1011305), (155, 809044), (223, 562340), (310, 404522), (446, 281170), (620, 202261), (892, 140585), (907, 138260), (1115, 112468), (1814, 69130), (2230, 56234), (3628, 34565), (4460, 28117), (4535, 27652), (6913, 18140), (9070, 13826)]