203834590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 392699664

約数和(自身を除く): 188865074

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 251, 281, 289, 502, 562, 578, 1255, 1405, 1445, 2510, 2810, 2890, 4267, 4777, 8534, 9554, 21335, 23885, 42670, 47770, 70531, 72539, 81209, 141062, 145078, 162418, 352655, 362695, 406045, 705310, 725390, 812090, 1199027, 2398054, 5995135, 11990270, 20383459, 40766918, 101917295, 203834590]

約数ペア:

[(1, 203834590), (2, 101917295), (5, 40766918), (10, 20383459), (17, 11990270), (34, 5995135), (85, 2398054), (170, 1199027), (251, 812090), (281, 725390), (289, 705310), (502, 406045), (562, 362695), (578, 352655), (1255, 162418), (1405, 145078), (1445, 141062), (2510, 81209), (2810, 72539), (2890, 70531), (4267, 47770), (4777, 42670), (8534, 23885), (9554, 21335)]