2173990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2389}}^1$

素因数の和:2416

約数の個数: 32

約数和(自身を含む): 4818240

約数和(自身を除く): 2644250

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 2389, 4778, 11945, 16723, 23890, 31057, 33446, 62114, 83615, 155285, 167230, 217399, 310570, 434798, 1086995, 2173990]

約数ペア:

[(1, 2173990), (2, 1086995), (5, 434798), (7, 310570), (10, 217399), (13, 167230), (14, 155285), (26, 83615), (35, 62114), (65, 33446), (70, 31057), (91, 23890), (130, 16723), (182, 11945), (455, 4778), (910, 2389)]