78918140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9241}}^1$

素因数の和:9318

約数の個数: 48

約数和(自身を含む): 192529344

約数和(自身を除く): 113611204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 9241, 18482, 36964, 46205, 64687, 92410, 129374, 184820, 258748, 323435, 563701, 646870, 1127402, 1293740, 2254804, 2818505, 3945907, 5637010, 7891814, 11274020, 15783628, 19729535, 39459070, 78918140]

約数ペア:

[(1, 78918140), (2, 39459070), (4, 19729535), (5, 15783628), (7, 11274020), (10, 7891814), (14, 5637010), (20, 3945907), (28, 2818505), (35, 2254804), (61, 1293740), (70, 1127402), (122, 646870), (140, 563701), (244, 323435), (305, 258748), (427, 184820), (610, 129374), (854, 92410), (1220, 64687), (1708, 46205), (2135, 36964), (4270, 18482), (8540, 9241)]