416212820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1\times {\mathrm{853}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 904447488

約数和(自身を除く): 488234668

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 787, 853, 1574, 1706, 3148, 3412, 3935, 4265, 7870, 8530, 15740, 17060, 24397, 26443, 48794, 52886, 97588, 105772, 121985, 132215, 243970, 264430, 487940, 528860, 671311, 1342622, 2685244, 3356555, 6713110, 13426220, 20810641, 41621282, 83242564, 104053205, 208106410, 416212820]

約数ペア:

[(1, 416212820), (2, 208106410), (4, 104053205), (5, 83242564), (10, 41621282), (20, 20810641), (31, 13426220), (62, 6713110), (124, 3356555), (155, 2685244), (310, 1342622), (620, 671311), (787, 528860), (853, 487940), (1574, 264430), (1706, 243970), (3148, 132215), (3412, 121985), (3935, 105772), (4265, 97588), (7870, 52886), (8530, 48794), (15740, 26443), (17060, 24397)]