198710010

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{245321}}^1$

素因数の和:245340

約数の個数: 40

約数和(自身を含む): 534311316

約数和(自身を除く): 335601306

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 245321, 490642, 735963, 1226605, 1471926, 2207889, 2453210, 3679815, 4415778, 6623667, 7359630, 11039445, 13247334, 19871001, 22078890, 33118335, 39742002, 66236670, 99355005, 198710010]

約数ペア:

[(1, 198710010), (2, 99355005), (3, 66236670), (5, 39742002), (6, 33118335), (9, 22078890), (10, 19871001), (15, 13247334), (18, 11039445), (27, 7359630), (30, 6623667), (45, 4415778), (54, 3679815), (81, 2453210), (90, 2207889), (135, 1471926), (162, 1226605), (270, 735963), (405, 490642), (810, 245321)]