207963640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2939}}^1$

素因数の和:3040

約数の個数: 64

約数和(自身を含む): 492156000

約数和(自身を除く): 284192360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 488, 580, 610, 1160, 1220, 1769, 2440, 2939, 3538, 5878, 7076, 8845, 11756, 14152, 14695, 17690, 23512, 29390, 35380, 58780, 70760, 85231, 117560, 170462, 179279, 340924, 358558, 426155, 681848, 717116, 852310, 896395, 1434232, 1704620, 1792790, 3409240, 3585580, 5199091, 7171160, 10398182, 20796364, 25995455, 41592728, 51990910, 103981820, 207963640]

約数ペア:

[(1, 207963640), (2, 103981820), (4, 51990910), (5, 41592728), (8, 25995455), (10, 20796364), (20, 10398182), (29, 7171160), (40, 5199091), (58, 3585580), (61, 3409240), (116, 1792790), (122, 1704620), (145, 1434232), (232, 896395), (244, 852310), (290, 717116), (305, 681848), (488, 426155), (580, 358558), (610, 340924), (1160, 179279), (1220, 170462), (1769, 117560), (2440, 85231), (2939, 70760), (3538, 58780), (5878, 35380), (7076, 29390), (8845, 23512), (11756, 17690), (14152, 14695)]