2642128420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1\times {\mathrm{4931}}^1$

素因数の和:5380

約数の個数: 48

約数和(自身を含む): 5640945408

約数和(自身を除く): 2998816988

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 367, 730, 734, 1460, 1468, 1835, 3670, 4931, 7340, 9862, 19724, 24655, 26791, 49310, 53582, 98620, 107164, 133955, 267910, 359963, 535820, 719926, 1439852, 1799815, 1809677, 3599630, 3619354, 7199260, 7238708, 9048385, 18096770, 36193540, 132106421, 264212842, 528425684, 660532105, 1321064210, 2642128420]

約数ペア:

[(1, 2642128420), (2, 1321064210), (4, 660532105), (5, 528425684), (10, 264212842), (20, 132106421), (73, 36193540), (146, 18096770), (292, 9048385), (365, 7238708), (367, 7199260), (730, 3619354), (734, 3599630), (1460, 1809677), (1468, 1799815), (1835, 1439852), (3670, 719926), (4931, 535820), (7340, 359963), (9862, 267910), (19724, 133955), (24655, 107164), (26791, 98620), (49310, 53582)]