395420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1163}}^1$

素因数の和:1189

約数の個数: 24

約数和(自身を含む): 879984

約数和(自身を除く): 484564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1163, 2326, 4652, 5815, 11630, 19771, 23260, 39542, 79084, 98855, 197710, 395420]

約数ペア:

[(1, 395420), (2, 197710), (4, 98855), (5, 79084), (10, 39542), (17, 23260), (20, 19771), (34, 11630), (68, 5815), (85, 4652), (170, 2326), (340, 1163)]