305536540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 650399904

約数和(自身を除く): 344863364

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 277, 421, 524, 554, 655, 842, 1108, 1310, 1385, 1684, 2105, 2620, 2770, 4210, 5540, 8420, 36287, 55151, 72574, 110302, 116617, 145148, 181435, 220604, 233234, 275755, 362870, 466468, 551510, 583085, 725740, 1103020, 1166170, 2332340, 15276827, 30553654, 61107308, 76384135, 152768270, 305536540]

約数ペア:

[(1, 305536540), (2, 152768270), (4, 76384135), (5, 61107308), (10, 30553654), (20, 15276827), (131, 2332340), (262, 1166170), (277, 1103020), (421, 725740), (524, 583085), (554, 551510), (655, 466468), (842, 362870), (1108, 275755), (1310, 233234), (1385, 220604), (1684, 181435), (2105, 145148), (2620, 116617), (2770, 110302), (4210, 72574), (5540, 55151), (8420, 36287)]