219027320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{18947}}^1$

素因数の和:18992

約数の個数: 48

約数和(自身を含む): 523533240

約数和(自身を除く): 304505920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 18947, 37894, 75788, 94735, 151576, 189470, 322099, 378940, 644198, 757880, 1288396, 1610495, 2576792, 3220990, 5475683, 6441980, 10951366, 12883960, 21902732, 27378415, 43805464, 54756830, 109513660, 219027320]

約数ペア:

[(1, 219027320), (2, 109513660), (4, 54756830), (5, 43805464), (8, 27378415), (10, 21902732), (17, 12883960), (20, 10951366), (34, 6441980), (40, 5475683), (68, 3220990), (85, 2576792), (136, 1610495), (170, 1288396), (289, 757880), (340, 644198), (578, 378940), (680, 322099), (1156, 189470), (1445, 151576), (2312, 94735), (2890, 75788), (5780, 37894), (11560, 18947)]