1687130583820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{247379851}}^1$

素因数の和:247379902

約数の個数: 48

約数和(自身を含む): 3989742253056

約数和(自身を除く): 2302611669236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 247379851, 494759702, 989519404, 1236899255, 2473798510, 2721178361, 4947597020, 5442356722, 7668775381, 10884713444, 13605891805, 15337550762, 27211783610, 30675101524, 38343876905, 54423567220, 76687753810, 84356529191, 153375507620, 168713058382, 337426116764, 421782645955, 843565291910, 1687130583820]

約数ペア:

[(1, 1687130583820), (2, 843565291910), (4, 421782645955), (5, 337426116764), (10, 168713058382), (11, 153375507620), (20, 84356529191), (22, 76687753810), (31, 54423567220), (44, 38343876905), (55, 30675101524), (62, 27211783610), (110, 15337550762), (124, 13605891805), (155, 10884713444), (220, 7668775381), (310, 5442356722), (341, 4947597020), (620, 2721178361), (682, 2473798510), (1364, 1236899255), (1705, 989519404), (3410, 494759702), (6820, 247379851)]