642360170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{37987}}^1$

素因数の和:38102

約数の個数: 32

約数和(自身を含む): 1230811200

約数和(自身を除く): 588451030

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1691, 3382, 8455, 16910, 37987, 75974, 189935, 379870, 721753, 1443506, 3380843, 3608765, 6761686, 7217530, 16904215, 33808430, 64236017, 128472034, 321180085, 642360170]

約数ペア:

[(1, 642360170), (2, 321180085), (5, 128472034), (10, 64236017), (19, 33808430), (38, 16904215), (89, 7217530), (95, 6761686), (178, 3608765), (190, 3380843), (445, 1443506), (890, 721753), (1691, 379870), (3382, 189935), (8455, 75974), (16910, 37987)]