7563140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1572

約数の個数: 48

約数和(自身を含む): 18016320

約数和(自身を除く): 10453180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1531, 2470, 3062, 4940, 6124, 7655, 15310, 19903, 29089, 30620, 39806, 58178, 79612, 99515, 116356, 145445, 199030, 290890, 378157, 398060, 581780, 756314, 1512628, 1890785, 3781570, 7563140]

約数ペア:

[(1, 7563140), (2, 3781570), (4, 1890785), (5, 1512628), (10, 756314), (13, 581780), (19, 398060), (20, 378157), (26, 290890), (38, 199030), (52, 145445), (65, 116356), (76, 99515), (95, 79612), (130, 58178), (190, 39806), (247, 30620), (260, 29089), (380, 19903), (494, 15310), (988, 7655), (1235, 6124), (1531, 4940), (2470, 3062)]