398416140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2213423}}^1$

素因数の和:2213438

約数の個数: 36

約数和(自身を含む): 1208529504

約数和(自身を除く): 810113364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2213423, 4426846, 6640269, 8853692, 11067115, 13280538, 19920807, 22134230, 26561076, 33201345, 39841614, 44268460, 66402690, 79683228, 99604035, 132805380, 199208070, 398416140]

約数ペア:

[(1, 398416140), (2, 199208070), (3, 132805380), (4, 99604035), (5, 79683228), (6, 66402690), (9, 44268460), (10, 39841614), (12, 33201345), (15, 26561076), (18, 22134230), (20, 19920807), (30, 13280538), (36, 11067115), (45, 8853692), (60, 6640269), (90, 4426846), (180, 2213423)]