214920390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{43951}}^1$

素因数の和:44124

約数の個数: 32

約数和(自身を含む): 518985216

約数和(自身を除く): 304064826

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 326, 489, 815, 978, 1630, 2445, 4890, 43951, 87902, 131853, 219755, 263706, 439510, 659265, 1318530, 7164013, 14328026, 21492039, 35820065, 42984078, 71640130, 107460195, 214920390]

約数ペア:

[(1, 214920390), (2, 107460195), (3, 71640130), (5, 42984078), (6, 35820065), (10, 21492039), (15, 14328026), (30, 7164013), (163, 1318530), (326, 659265), (489, 439510), (815, 263706), (978, 219755), (1630, 131853), (2445, 87902), (4890, 43951)]