8157380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5297}}^1$

素因数の和:5324

約数の個数: 48

約数和(自身を含む): 21361536

約数和(自身を除く): 13204156

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5297, 10594, 21188, 26485, 37079, 52970, 58267, 74158, 105940, 116534, 148316, 185395, 233068, 291335, 370790, 407869, 582670, 741580, 815738, 1165340, 1631476, 2039345, 4078690, 8157380]

約数ペア:

[(1, 8157380), (2, 4078690), (4, 2039345), (5, 1631476), (7, 1165340), (10, 815738), (11, 741580), (14, 582670), (20, 407869), (22, 370790), (28, 291335), (35, 233068), (44, 185395), (55, 148316), (70, 116534), (77, 105940), (110, 74158), (140, 58267), (154, 52970), (220, 37079), (308, 26485), (385, 21188), (770, 10594), (1540, 5297)]