158984780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{418381}}^1$

素因数の和:418409

約数の個数: 24

約数和(自身を含む): 351440880

約数和(自身を除く): 192456100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 418381, 836762, 1673524, 2091905, 4183810, 7949239, 8367620, 15898478, 31796956, 39746195, 79492390, 158984780]

約数ペア:

[(1, 158984780), (2, 79492390), (4, 39746195), (5, 31796956), (10, 15898478), (19, 8367620), (20, 7949239), (38, 4183810), (76, 2091905), (95, 1673524), (190, 836762), (380, 418381)]