491629060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{35677}}^1$

素因数の和:35752

約数の個数: 48

約数和(自身を含む): 1132847856

約数和(自身を除く): 641218796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 35677, 71354, 142708, 178385, 356770, 463801, 713540, 927602, 1855204, 1890881, 2319005, 3781762, 4638010, 7563524, 9276020, 9454405, 18908810, 24581453, 37817620, 49162906, 98325812, 122907265, 245814530, 491629060]

約数ペア:

[(1, 491629060), (2, 245814530), (4, 122907265), (5, 98325812), (10, 49162906), (13, 37817620), (20, 24581453), (26, 18908810), (52, 9454405), (53, 9276020), (65, 7563524), (106, 4638010), (130, 3781762), (212, 2319005), (260, 1890881), (265, 1855204), (530, 927602), (689, 713540), (1060, 463801), (1378, 356770), (2756, 178385), (3445, 142708), (6890, 71354), (13780, 35677)]