1279557620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{252877}}^1$

素因数の和:252920

約数の個数: 48

約数和(自身を含む): 3058812288

約数和(自身を除く): 1779254668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 252877, 505754, 1011508, 1264385, 2528770, 2781647, 5057540, 5563294, 5816171, 11126588, 11632342, 13908235, 23264684, 27816470, 29080855, 55632940, 58161710, 63977881, 116323420, 127955762, 255911524, 319889405, 639778810, 1279557620]

約数ペア:

[(1, 1279557620), (2, 639778810), (4, 319889405), (5, 255911524), (10, 127955762), (11, 116323420), (20, 63977881), (22, 58161710), (23, 55632940), (44, 29080855), (46, 27816470), (55, 23264684), (92, 13908235), (110, 11632342), (115, 11126588), (220, 5816171), (230, 5563294), (253, 5057540), (460, 2781647), (506, 2528770), (1012, 1264385), (1265, 1011508), (2530, 505754), (5060, 252877)]