1004382020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43783}}^1$

素因数の和:43860

約数の個数: 48

約数和(自身を含む): 2236136448

約数和(自身を除く): 1231754428

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 4588, 5735, 11470, 22940, 43783, 87566, 175132, 218915, 437830, 875660, 1357273, 1619971, 2714546, 3239942, 5429092, 6479884, 6786365, 8099855, 13572730, 16199710, 27145460, 32399420, 50219101, 100438202, 200876404, 251095505, 502191010, 1004382020]

約数ペア:

[(1, 1004382020), (2, 502191010), (4, 251095505), (5, 200876404), (10, 100438202), (20, 50219101), (31, 32399420), (37, 27145460), (62, 16199710), (74, 13572730), (124, 8099855), (148, 6786365), (155, 6479884), (185, 5429092), (310, 3239942), (370, 2714546), (620, 1619971), (740, 1357273), (1147, 875660), (2294, 437830), (4588, 218915), (5735, 175132), (11470, 87566), (22940, 43783)]