102217820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 219300480

約数和(自身を除く): 117082660

約数列:

[1, 2, 4, 5, 10, 20, 83, 139, 166, 278, 332, 415, 443, 556, 695, 830, 886, 1390, 1660, 1772, 2215, 2780, 4430, 8860, 11537, 23074, 36769, 46148, 57685, 61577, 73538, 115370, 123154, 147076, 183845, 230740, 246308, 307885, 367690, 615770, 735380, 1231540, 5110891, 10221782, 20443564, 25554455, 51108910, 102217820]

約数ペア:

[(1, 102217820), (2, 51108910), (4, 25554455), (5, 20443564), (10, 10221782), (20, 5110891), (83, 1231540), (139, 735380), (166, 615770), (278, 367690), (332, 307885), (415, 246308), (443, 230740), (556, 183845), (695, 147076), (830, 123154), (886, 115370), (1390, 73538), (1660, 61577), (1772, 57685), (2215, 46148), (2780, 36769), (4430, 23074), (8860, 11537)]