28989380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29581}}^1$

素因数の和:29604

約数の個数: 36

約数和(自身を含む): 70819308

約数和(自身を除く): 41829928

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 29581, 59162, 118324, 147905, 207067, 295810, 414134, 591620, 828268, 1035335, 1449469, 2070670, 2898938, 4141340, 5797876, 7247345, 14494690, 28989380]

約数ペア:

[(1, 28989380), (2, 14494690), (4, 7247345), (5, 5797876), (7, 4141340), (10, 2898938), (14, 2070670), (20, 1449469), (28, 1035335), (35, 828268), (49, 591620), (70, 414134), (98, 295810), (140, 207067), (196, 147905), (245, 118324), (490, 59162), (980, 29581)]