13729660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 33163200

約数和(自身を除く): 19433540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 349, 562, 698, 1124, 1396, 1405, 1745, 1967, 2443, 2810, 3490, 3934, 4886, 5620, 6980, 7868, 9772, 9835, 12215, 19670, 24430, 39340, 48860, 98069, 196138, 392276, 490345, 686483, 980690, 1372966, 1961380, 2745932, 3432415, 6864830, 13729660]

約数ペア:

[(1, 13729660), (2, 6864830), (4, 3432415), (5, 2745932), (7, 1961380), (10, 1372966), (14, 980690), (20, 686483), (28, 490345), (35, 392276), (70, 196138), (140, 98069), (281, 48860), (349, 39340), (562, 24430), (698, 19670), (1124, 12215), (1396, 9835), (1405, 9772), (1745, 7868), (1967, 6980), (2443, 5620), (2810, 4886), (3490, 3934)]