4721990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5189}}^1$

素因数の和:5216

約数の個数: 32

約数和(自身を含む): 10463040

約数和(自身を除く): 5741050

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 5189, 10378, 25945, 36323, 51890, 67457, 72646, 134914, 181615, 337285, 363230, 472199, 674570, 944398, 2360995, 4721990]

約数ペア:

[(1, 4721990), (2, 2360995), (5, 944398), (7, 674570), (10, 472199), (13, 363230), (14, 337285), (26, 181615), (35, 134914), (65, 72646), (70, 67457), (91, 51890), (130, 36323), (182, 25945), (455, 10378), (910, 5189)]