280563010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{308311}}^1$

素因数の和:308338

約数の個数: 32

約数和(自身を含む): 621556992

約数和(自身を除く): 340993982

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 308311, 616622, 1541555, 2158177, 3083110, 4008043, 4316354, 8016086, 10790885, 20040215, 21581770, 28056301, 40080430, 56112602, 140281505, 280563010]

約数ペア:

[(1, 280563010), (2, 140281505), (5, 56112602), (7, 40080430), (10, 28056301), (13, 21581770), (14, 20040215), (26, 10790885), (35, 8016086), (65, 4316354), (70, 4008043), (91, 3083110), (130, 2158177), (182, 1541555), (455, 616622), (910, 308311)]