7891940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8053}}^1$

素因数の和:8076

約数の個数: 36

約数和(自身を含む): 19281276

約数和(自身を除く): 11389336

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8053, 16106, 32212, 40265, 56371, 80530, 112742, 161060, 225484, 281855, 394597, 563710, 789194, 1127420, 1578388, 1972985, 3945970, 7891940]

約数ペア:

[(1, 7891940), (2, 3945970), (4, 1972985), (5, 1578388), (7, 1127420), (10, 789194), (14, 563710), (20, 394597), (28, 281855), (35, 225484), (49, 161060), (70, 112742), (98, 80530), (140, 56371), (196, 40265), (245, 32212), (490, 16106), (980, 8053)]