3644140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 8124480

約数和(自身を除く): 4480340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 103, 116, 122, 145, 206, 244, 290, 305, 412, 515, 580, 610, 1030, 1220, 1769, 2060, 2987, 3538, 5974, 6283, 7076, 8845, 11948, 12566, 14935, 17690, 25132, 29870, 31415, 35380, 59740, 62830, 125660, 182207, 364414, 728828, 911035, 1822070, 3644140]

約数ペア:

[(1, 3644140), (2, 1822070), (4, 911035), (5, 728828), (10, 364414), (20, 182207), (29, 125660), (58, 62830), (61, 59740), (103, 35380), (116, 31415), (122, 29870), (145, 25132), (206, 17690), (244, 14935), (290, 12566), (305, 11948), (412, 8845), (515, 7076), (580, 6283), (610, 5974), (1030, 3538), (1220, 2987), (1769, 2060)]