76782020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1667}}^1$

素因数の和:1737

約数の個数: 72

約数和(自身を含む): 191673216

約数和(自身を除く): 114891196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1645, 1667, 2303, 3290, 3334, 4606, 6580, 6668, 8335, 9212, 11515, 11669, 16670, 23030, 23338, 33340, 46060, 46676, 58345, 78349, 81683, 116690, 156698, 163366, 233380, 313396, 326732, 391745, 408415, 548443, 783490, 816830, 1096886, 1566980, 1633660, 2193772, 2742215, 3839101, 5484430, 7678202, 10968860, 15356404, 19195505, 38391010, 76782020]

約数ペア:

[(1, 76782020), (2, 38391010), (4, 19195505), (5, 15356404), (7, 10968860), (10, 7678202), (14, 5484430), (20, 3839101), (28, 2742215), (35, 2193772), (47, 1633660), (49, 1566980), (70, 1096886), (94, 816830), (98, 783490), (140, 548443), (188, 408415), (196, 391745), (235, 326732), (245, 313396), (329, 233380), (470, 163366), (490, 156698), (658, 116690), (940, 81683), (980, 78349), (1316, 58345), (1645, 46676), (1667, 46060), (2303, 33340), (3290, 23338), (3334, 23030), (4606, 16670), (6580, 11669), (6668, 11515), (8335, 9212)]