90958100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 209236608

約数和(自身を除く): 118278508

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 71, 92, 100, 115, 142, 230, 284, 355, 460, 557, 575, 710, 1114, 1150, 1420, 1633, 1775, 2228, 2300, 2785, 3266, 3550, 5570, 6532, 7100, 8165, 11140, 12811, 13925, 16330, 25622, 27850, 32660, 39547, 40825, 51244, 55700, 64055, 79094, 81650, 128110, 158188, 163300, 197735, 256220, 320275, 395470, 640550, 790940, 909581, 988675, 1281100, 1819162, 1977350, 3638324, 3954700, 4547905, 9095810, 18191620, 22739525, 45479050, 90958100]

約数ペア:

[(1, 90958100), (2, 45479050), (4, 22739525), (5, 18191620), (10, 9095810), (20, 4547905), (23, 3954700), (25, 3638324), (46, 1977350), (50, 1819162), (71, 1281100), (92, 988675), (100, 909581), (115, 790940), (142, 640550), (230, 395470), (284, 320275), (355, 256220), (460, 197735), (557, 163300), (575, 158188), (710, 128110), (1114, 81650), (1150, 79094), (1420, 64055), (1633, 55700), (1775, 51244), (2228, 40825), (2300, 39547), (2785, 32660), (3266, 27850), (3550, 25622), (5570, 16330), (6532, 13925), (7100, 12811), (8165, 11140)]