455427820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{19853}}^1$

素因数の和:19930

約数の個数: 48

約数和(自身を含む): 1013983488

約数和(自身を除く): 558555668

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 4588, 5735, 11470, 19853, 22940, 39706, 79412, 99265, 198530, 397060, 615443, 734561, 1230886, 1469122, 2461772, 2938244, 3077215, 3672805, 6154430, 7345610, 12308860, 14691220, 22771391, 45542782, 91085564, 113856955, 227713910, 455427820]

約数ペア:

[(1, 455427820), (2, 227713910), (4, 113856955), (5, 91085564), (10, 45542782), (20, 22771391), (31, 14691220), (37, 12308860), (62, 7345610), (74, 6154430), (124, 3672805), (148, 3077215), (155, 2938244), (185, 2461772), (310, 1469122), (370, 1230886), (620, 734561), (740, 615443), (1147, 397060), (2294, 198530), (4588, 99265), (5735, 79412), (11470, 39706), (19853, 22940)]