28846280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{719}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 69984000

約数和(自身を除く): 41137720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 472, 590, 680, 719, 1003, 1180, 1438, 2006, 2360, 2876, 3595, 4012, 5015, 5752, 7190, 8024, 10030, 12223, 14380, 20060, 24446, 28760, 40120, 42421, 48892, 61115, 84842, 97784, 122230, 169684, 212105, 244460, 339368, 424210, 488920, 721157, 848420, 1442314, 1696840, 2884628, 3605785, 5769256, 7211570, 14423140, 28846280]

約数ペア:

[(1, 28846280), (2, 14423140), (4, 7211570), (5, 5769256), (8, 3605785), (10, 2884628), (17, 1696840), (20, 1442314), (34, 848420), (40, 721157), (59, 488920), (68, 424210), (85, 339368), (118, 244460), (136, 212105), (170, 169684), (236, 122230), (295, 97784), (340, 84842), (472, 61115), (590, 48892), (680, 42421), (719, 40120), (1003, 28760), (1180, 24446), (1438, 20060), (2006, 14380), (2360, 12223), (2876, 10030), (3595, 8024), (4012, 7190), (5015, 5752)]