321569380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{20023}}^1$

素因数の和:20116

約数の個数: 48

約数和(自身を含む): 746815104

約数和(自身を除く): 425245724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 8030, 16060, 20023, 40046, 80092, 100115, 200230, 220253, 400460, 440506, 881012, 1101265, 1461679, 2202530, 2923358, 4405060, 5846716, 7308395, 14616790, 16078469, 29233580, 32156938, 64313876, 80392345, 160784690, 321569380]

約数ペア:

[(1, 321569380), (2, 160784690), (4, 80392345), (5, 64313876), (10, 32156938), (11, 29233580), (20, 16078469), (22, 14616790), (44, 7308395), (55, 5846716), (73, 4405060), (110, 2923358), (146, 2202530), (220, 1461679), (292, 1101265), (365, 881012), (730, 440506), (803, 400460), (1460, 220253), (1606, 200230), (3212, 100115), (4015, 80092), (8030, 40046), (16060, 20023)]