3989271380

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1277}}^1\times {\mathrm{1433}}^1$

素因数の和:2828

約数の個数: 48

約数和(自身を含む): 8466852240

約数和(自身を除く): 4477580860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1277, 1433, 2180, 2554, 2866, 5108, 5732, 6385, 7165, 12770, 14330, 25540, 28660, 139193, 156197, 278386, 312394, 556772, 624788, 695965, 780985, 1391930, 1561970, 1829941, 2783860, 3123940, 3659882, 7319764, 9149705, 18299410, 36598820, 199463569, 398927138, 797854276, 997317845, 1994635690, 3989271380]

約数ペア:

[(1, 3989271380), (2, 1994635690), (4, 997317845), (5, 797854276), (10, 398927138), (20, 199463569), (109, 36598820), (218, 18299410), (436, 9149705), (545, 7319764), (1090, 3659882), (1277, 3123940), (1433, 2783860), (2180, 1829941), (2554, 1561970), (2866, 1391930), (5108, 780985), (5732, 695965), (6385, 624788), (7165, 556772), (12770, 312394), (14330, 278386), (25540, 156197), (28660, 139193)]