2780455060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{430411}}^1$

素因数の和:430456

約数の個数: 48

約数和(自身を含む): 6507829440

約数和(自身を除く): 3727374380

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 430411, 860822, 1721644, 2152055, 4304110, 7316987, 8177809, 8608220, 14633974, 16355618, 29267948, 32711236, 36584935, 40889045, 73169870, 81778090, 139022753, 146339740, 163556180, 278045506, 556091012, 695113765, 1390227530, 2780455060]

約数ペア:

[(1, 2780455060), (2, 1390227530), (4, 695113765), (5, 556091012), (10, 278045506), (17, 163556180), (19, 146339740), (20, 139022753), (34, 81778090), (38, 73169870), (68, 40889045), (76, 36584935), (85, 32711236), (95, 29267948), (170, 16355618), (190, 14633974), (323, 8608220), (340, 8177809), (380, 7316987), (646, 4304110), (1292, 2152055), (1615, 1721644), (3230, 860822), (6460, 430411)]