120837380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{194899}}^1$

素因数の和:194939

約数の個数: 24

約数和(自身を含む): 261945600

約数和(自身を除く): 141108220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 194899, 389798, 779596, 974495, 1948990, 3897980, 6041869, 12083738, 24167476, 30209345, 60418690, 120837380]

約数ペア:

[(1, 120837380), (2, 60418690), (4, 30209345), (5, 24167476), (10, 12083738), (20, 6041869), (31, 3897980), (62, 1948990), (124, 974495), (155, 779596), (310, 389798), (620, 194899)]