856163940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{751021}}^1$

素因数の和:751052

約数の個数: 48

約数和(自身を含む): 2523433920

約数和(自身を除く): 1667269980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 751021, 1502042, 2253063, 3004084, 3755105, 4506126, 7510210, 9012252, 11265315, 14269399, 15020420, 22530630, 28538798, 42808197, 45061260, 57077596, 71346995, 85616394, 142693990, 171232788, 214040985, 285387980, 428081970, 856163940]

約数ペア:

[(1, 856163940), (2, 428081970), (3, 285387980), (4, 214040985), (5, 171232788), (6, 142693990), (10, 85616394), (12, 71346995), (15, 57077596), (19, 45061260), (20, 42808197), (30, 28538798), (38, 22530630), (57, 15020420), (60, 14269399), (76, 11265315), (95, 9012252), (114, 7510210), (190, 4506126), (228, 3755105), (285, 3004084), (380, 2253063), (570, 1502042), (1140, 751021)]