210303828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1901}}^1$

素因数の和:2357

約数の個数: 72

約数和(自身を含む): 609248640

約数和(自身を除く): 398944812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 439, 878, 1317, 1756, 1901, 2634, 3073, 3802, 3951, 5268, 5703, 6146, 7604, 7902, 9219, 11406, 12292, 13307, 15804, 17109, 18438, 22812, 26614, 27657, 34218, 36876, 39921, 53228, 55314, 68436, 79842, 110628, 119763, 159684, 239526, 479052, 834539, 1669078, 2503617, 3338156, 5007234, 5841773, 7510851, 10014468, 11683546, 15021702, 17525319, 23367092, 30043404, 35050638, 52575957, 70101276, 105151914, 210303828]

約数ペア:

[(1, 210303828), (2, 105151914), (3, 70101276), (4, 52575957), (6, 35050638), (7, 30043404), (9, 23367092), (12, 17525319), (14, 15021702), (18, 11683546), (21, 10014468), (28, 7510851), (36, 5841773), (42, 5007234), (63, 3338156), (84, 2503617), (126, 1669078), (252, 834539), (439, 479052), (878, 239526), (1317, 159684), (1756, 119763), (1901, 110628), (2634, 79842), (3073, 68436), (3802, 55314), (3951, 53228), (5268, 39921), (5703, 36876), (6146, 34218), (7604, 27657), (7902, 26614), (9219, 22812), (11406, 18438), (12292, 17109), (13307, 15804)]