84872420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1\times {\mathrm{373}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 184977408

約数和(自身を除く): 100104988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 367, 373, 620, 734, 746, 1468, 1492, 1835, 1865, 3670, 3730, 7340, 7460, 11377, 11563, 22754, 23126, 45508, 46252, 56885, 57815, 113770, 115630, 136891, 227540, 231260, 273782, 547564, 684455, 1368910, 2737820, 4243621, 8487242, 16974484, 21218105, 42436210, 84872420]

約数ペア:

[(1, 84872420), (2, 42436210), (4, 21218105), (5, 16974484), (10, 8487242), (20, 4243621), (31, 2737820), (62, 1368910), (124, 684455), (155, 547564), (310, 273782), (367, 231260), (373, 227540), (620, 136891), (734, 115630), (746, 113770), (1468, 57815), (1492, 56885), (1835, 46252), (1865, 45508), (3670, 23126), (3730, 22754), (7340, 11563), (7460, 11377)]