179661772820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1354711}}^1$

素因数の和:1355088

約数の個数: 48

約数和(自身を含む): 398285328000

約数和(自身を除く): 218623555180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 349, 380, 698, 1396, 1745, 3490, 6631, 6980, 13262, 26524, 33155, 66310, 132620, 1354711, 2709422, 5418844, 6773555, 13547110, 25739509, 27094220, 51479018, 102958036, 128697545, 257395090, 472794139, 514790180, 945588278, 1891176556, 2363970695, 4727941390, 8983088641, 9455882780, 17966177282, 35932354564, 44915443205, 89830886410, 179661772820]

約数ペア:

[(1, 179661772820), (2, 89830886410), (4, 44915443205), (5, 35932354564), (10, 17966177282), (19, 9455882780), (20, 8983088641), (38, 4727941390), (76, 2363970695), (95, 1891176556), (190, 945588278), (349, 514790180), (380, 472794139), (698, 257395090), (1396, 128697545), (1745, 102958036), (3490, 51479018), (6631, 27094220), (6980, 25739509), (13262, 13547110), (26524, 6773555), (33155, 5418844), (66310, 2709422), (132620, 1354711)]