210996860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{620579}}^1$

素因数の和:620605

約数の個数: 24

約数和(自身を含む): 469158480

約数和(自身を除く): 258161620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 620579, 1241158, 2482316, 3102895, 6205790, 10549843, 12411580, 21099686, 42199372, 52749215, 105498430, 210996860]

約数ペア:

[(1, 210996860), (2, 105498430), (4, 52749215), (5, 42199372), (10, 21099686), (17, 12411580), (20, 10549843), (34, 6205790), (68, 3102895), (85, 2482316), (170, 1241158), (340, 620579)]