2795020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 6249600

約数和(自身を除く): 3454580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 79, 116, 122, 145, 158, 244, 290, 305, 316, 395, 580, 610, 790, 1220, 1580, 1769, 2291, 3538, 4582, 4819, 7076, 8845, 9164, 9638, 11455, 17690, 19276, 22910, 24095, 35380, 45820, 48190, 96380, 139751, 279502, 559004, 698755, 1397510, 2795020]

約数ペア:

[(1, 2795020), (2, 1397510), (4, 698755), (5, 559004), (10, 279502), (20, 139751), (29, 96380), (58, 48190), (61, 45820), (79, 35380), (116, 24095), (122, 22910), (145, 19276), (158, 17690), (244, 11455), (290, 9638), (305, 9164), (316, 8845), (395, 7076), (580, 4819), (610, 4582), (790, 3538), (1220, 2291), (1580, 1769)]