90202390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2357}}^1$

素因数の和:2496

約数の個数: 32

約数和(自身を含む): 168078240

約数和(自身を除く): 77875850

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 890, 2357, 3827, 4714, 7654, 11785, 19135, 23570, 38270, 101351, 202702, 209773, 419546, 506755, 1013510, 1048865, 2097730, 9020239, 18040478, 45101195, 90202390]

約数ペア:

[(1, 90202390), (2, 45101195), (5, 18040478), (10, 9020239), (43, 2097730), (86, 1048865), (89, 1013510), (178, 506755), (215, 419546), (430, 209773), (445, 202702), (890, 101351), (2357, 38270), (3827, 23570), (4714, 19135), (7654, 11785)]