140781788

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2749}}^1$

素因数の和:2850

約数の個数: 48

約数和(自身を含む): 295680000

約数和(自身を除く): 154898212

約数列:

[1, 2, 4, 7, 14, 28, 31, 59, 62, 118, 124, 217, 236, 413, 434, 826, 868, 1652, 1829, 2749, 3658, 5498, 7316, 10996, 12803, 19243, 25606, 38486, 51212, 76972, 85219, 162191, 170438, 324382, 340876, 596533, 648764, 1135337, 1193066, 2270674, 2386132, 4541348, 5027921, 10055842, 20111684, 35195447, 70390894, 140781788]

約数ペア:

[(1, 140781788), (2, 70390894), (4, 35195447), (7, 20111684), (14, 10055842), (28, 5027921), (31, 4541348), (59, 2386132), (62, 2270674), (118, 1193066), (124, 1135337), (217, 648764), (236, 596533), (413, 340876), (434, 324382), (826, 170438), (868, 162191), (1652, 85219), (1829, 76972), (2749, 51212), (3658, 38486), (5498, 25606), (7316, 19243), (10996, 12803)]