2058140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 5041344

約数和(自身を除く): 2983204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 241, 244, 305, 427, 482, 610, 854, 964, 1205, 1220, 1687, 1708, 2135, 2410, 3374, 4270, 4820, 6748, 8435, 8540, 14701, 16870, 29402, 33740, 58804, 73505, 102907, 147010, 205814, 294020, 411628, 514535, 1029070, 2058140]

約数ペア:

[(1, 2058140), (2, 1029070), (4, 514535), (5, 411628), (7, 294020), (10, 205814), (14, 147010), (20, 102907), (28, 73505), (35, 58804), (61, 33740), (70, 29402), (122, 16870), (140, 14701), (241, 8540), (244, 8435), (305, 6748), (427, 4820), (482, 4270), (610, 3374), (854, 2410), (964, 2135), (1205, 1708), (1220, 1687)]