1397430100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1270391}}^1$

素因数の和:1270416

約数の個数: 36

約数和(自身を含む): 3308100768

約数和(自身を除く): 1910670668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 1270391, 2540782, 5081564, 6351955, 12703910, 13974301, 25407820, 27948602, 31759775, 55897204, 63519550, 69871505, 127039100, 139743010, 279486020, 349357525, 698715050, 1397430100]

約数ペア:

[(1, 1397430100), (2, 698715050), (4, 349357525), (5, 279486020), (10, 139743010), (11, 127039100), (20, 69871505), (22, 63519550), (25, 55897204), (44, 31759775), (50, 27948602), (55, 25407820), (100, 13974301), (110, 12703910), (220, 6351955), (275, 5081564), (550, 2540782), (1100, 1270391)]