157553260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{613}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 337925952

約数和(自身を除く): 180372692

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 181, 284, 355, 362, 613, 710, 724, 905, 1226, 1420, 1810, 2452, 3065, 3620, 6130, 12260, 12851, 25702, 43523, 51404, 64255, 87046, 110953, 128510, 174092, 217615, 221906, 257020, 435230, 443812, 554765, 870460, 1109530, 2219060, 7877663, 15755326, 31510652, 39388315, 78776630, 157553260]

約数ペア:

[(1, 157553260), (2, 78776630), (4, 39388315), (5, 31510652), (10, 15755326), (20, 7877663), (71, 2219060), (142, 1109530), (181, 870460), (284, 554765), (355, 443812), (362, 435230), (613, 257020), (710, 221906), (724, 217615), (905, 174092), (1226, 128510), (1420, 110953), (1810, 87046), (2452, 64255), (3065, 51404), (3620, 43523), (6130, 25702), (12260, 12851)]