90888980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49939}}^1$

素因数の和:49968

約数の個数: 48

約数和(自身を含む): 234917760

約数和(自身を除く): 144028780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 49939, 99878, 199756, 249695, 349573, 499390, 649207, 699146, 998780, 1298414, 1398292, 1747865, 2596828, 3246035, 3495730, 4544449, 6492070, 6991460, 9088898, 12984140, 18177796, 22722245, 45444490, 90888980]

約数ペア:

[(1, 90888980), (2, 45444490), (4, 22722245), (5, 18177796), (7, 12984140), (10, 9088898), (13, 6991460), (14, 6492070), (20, 4544449), (26, 3495730), (28, 3246035), (35, 2596828), (52, 1747865), (65, 1398292), (70, 1298414), (91, 998780), (130, 699146), (140, 649207), (182, 499390), (260, 349573), (364, 249695), (455, 199756), (910, 99878), (1820, 49939)]