207368420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{2843}}^1$

素因数の和:3380

約数の個数: 48

約数和(自身を含む): 498814848

約数和(自身を除く): 291446428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 1042, 2084, 2605, 2843, 3647, 5210, 5686, 7294, 10420, 11372, 14215, 14588, 18235, 19901, 28430, 36470, 39802, 56860, 72940, 79604, 99505, 199010, 398020, 1481203, 2962406, 5924812, 7406015, 10368421, 14812030, 20736842, 29624060, 41473684, 51842105, 103684210, 207368420]

約数ペア:

[(1, 207368420), (2, 103684210), (4, 51842105), (5, 41473684), (7, 29624060), (10, 20736842), (14, 14812030), (20, 10368421), (28, 7406015), (35, 5924812), (70, 2962406), (140, 1481203), (521, 398020), (1042, 199010), (2084, 99505), (2605, 79604), (2843, 72940), (3647, 56860), (5210, 39802), (5686, 36470), (7294, 28430), (10420, 19901), (11372, 18235), (14215, 14588)]