312192140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1200739}}^1$

素因数の和:1200761

約数の個数: 24

約数和(自身を含む): 706035120

約数和(自身を除く): 393842980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1200739, 2401478, 4802956, 6003695, 12007390, 15609607, 24014780, 31219214, 62438428, 78048035, 156096070, 312192140]

約数ペア:

[(1, 312192140), (2, 156096070), (4, 78048035), (5, 62438428), (10, 31219214), (13, 24014780), (20, 15609607), (26, 12007390), (52, 6003695), (65, 4802956), (130, 2401478), (260, 1200739)]