42561850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 82863000

約数和(自身を除く): 40301150

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 149, 197, 290, 298, 394, 725, 745, 985, 1450, 1490, 1970, 3725, 4321, 4925, 5713, 7450, 8642, 9850, 11426, 21605, 28565, 29353, 43210, 57130, 58706, 108025, 142825, 146765, 216050, 285650, 293530, 733825, 851237, 1467650, 1702474, 4256185, 8512370, 21280925, 42561850]

約数ペア:

[(1, 42561850), (2, 21280925), (5, 8512370), (10, 4256185), (25, 1702474), (29, 1467650), (50, 851237), (58, 733825), (145, 293530), (149, 285650), (197, 216050), (290, 146765), (298, 142825), (394, 108025), (725, 58706), (745, 57130), (985, 43210), (1450, 29353), (1490, 28565), (1970, 21605), (3725, 11426), (4321, 9850), (4925, 8642), (5713, 7450)]