542984180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{445069}}^1$

素因数の和:445139

約数の個数: 24

約数和(自身を含む): 1158962280

約数和(自身を除く): 615978100

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 445069, 890138, 1780276, 2225345, 4450690, 8901380, 27149209, 54298418, 108596836, 135746045, 271492090, 542984180]

約数ペア:

[(1, 542984180), (2, 271492090), (4, 135746045), (5, 108596836), (10, 54298418), (20, 27149209), (61, 8901380), (122, 4450690), (244, 2225345), (305, 1780276), (610, 890138), (1220, 445069)]