281567260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{63703}}^1$

素因数の和:63742

約数の個数: 48

約数和(自身を含む): 674243136

約数和(自身を除く): 392675876

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 63703, 127406, 254812, 318515, 637030, 828139, 1082951, 1274060, 1656278, 2165902, 3312556, 4140695, 4331804, 5414755, 8281390, 10829510, 14078363, 16562780, 21659020, 28156726, 56313452, 70391815, 140783630, 281567260]

約数ペア:

[(1, 281567260), (2, 140783630), (4, 70391815), (5, 56313452), (10, 28156726), (13, 21659020), (17, 16562780), (20, 14078363), (26, 10829510), (34, 8281390), (52, 5414755), (65, 4331804), (68, 4140695), (85, 3312556), (130, 2165902), (170, 1656278), (221, 1274060), (260, 1082951), (340, 828139), (442, 637030), (884, 318515), (1105, 254812), (2210, 127406), (4420, 63703)]