137814920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{521}}^1$

素因数の和:938

約数の個数: 64

約数和(自身を含む): 329799600

約数和(自身を除く): 191984680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 389, 521, 680, 778, 1042, 1556, 1945, 2084, 2605, 3112, 3890, 4168, 5210, 6613, 7780, 8857, 10420, 13226, 15560, 17714, 20840, 26452, 33065, 35428, 44285, 52904, 66130, 70856, 88570, 132260, 177140, 202669, 264520, 354280, 405338, 810676, 1013345, 1621352, 2026690, 3445373, 4053380, 6890746, 8106760, 13781492, 17226865, 27562984, 34453730, 68907460, 137814920]

約数ペア:

[(1, 137814920), (2, 68907460), (4, 34453730), (5, 27562984), (8, 17226865), (10, 13781492), (17, 8106760), (20, 6890746), (34, 4053380), (40, 3445373), (68, 2026690), (85, 1621352), (136, 1013345), (170, 810676), (340, 405338), (389, 354280), (521, 264520), (680, 202669), (778, 177140), (1042, 132260), (1556, 88570), (1945, 70856), (2084, 66130), (2605, 52904), (3112, 44285), (3890, 35428), (4168, 33065), (5210, 26452), (6613, 20840), (7780, 17714), (8857, 15560), (10420, 13226)]