178989850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{541}}^1$

素因数の和:1075

約数の個数: 48

約数和(自身を含む): 359898840

約数和(自身を除く): 180908990

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 509, 541, 650, 1018, 1082, 2545, 2705, 5090, 5410, 6617, 7033, 12725, 13234, 13525, 14066, 25450, 27050, 33085, 35165, 66170, 70330, 165425, 175825, 275369, 330850, 351650, 550738, 1376845, 2753690, 3579797, 6884225, 7159594, 13768450, 17898985, 35797970, 89494925, 178989850]

約数ペア:

[(1, 178989850), (2, 89494925), (5, 35797970), (10, 17898985), (13, 13768450), (25, 7159594), (26, 6884225), (50, 3579797), (65, 2753690), (130, 1376845), (325, 550738), (509, 351650), (541, 330850), (650, 275369), (1018, 175825), (1082, 165425), (2545, 70330), (2705, 66170), (5090, 35165), (5410, 33085), (6617, 27050), (7033, 25450), (12725, 14066), (13234, 13525)]