1946598820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{55207}}^1$

素因数の和:55300

約数の個数: 48

約数和(自身を含む): 4285024128

約数和(自身を除く): 2338425308

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 7052, 8815, 17630, 35260, 55207, 110414, 220828, 276035, 552070, 1104140, 2263487, 2373901, 4526974, 4747802, 9053948, 9495604, 11317435, 11869505, 22634870, 23739010, 45269740, 47478020, 97329941, 194659882, 389319764, 486649705, 973299410, 1946598820]

約数ペア:

[(1, 1946598820), (2, 973299410), (4, 486649705), (5, 389319764), (10, 194659882), (20, 97329941), (41, 47478020), (43, 45269740), (82, 23739010), (86, 22634870), (164, 11869505), (172, 11317435), (205, 9495604), (215, 9053948), (410, 4747802), (430, 4526974), (820, 2373901), (860, 2263487), (1763, 1104140), (3526, 552070), (7052, 276035), (8815, 220828), (17630, 110414), (35260, 55207)]