211889710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{11497}}^1$

素因数の和:11620

約数の個数: 32

約数和(自身を含む): 405649440

約数和(自身を除く): 193759730

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 485, 970, 1843, 3686, 9215, 11497, 18430, 22994, 57485, 114970, 218443, 436886, 1092215, 1115209, 2184430, 2230418, 5576045, 11152090, 21188971, 42377942, 105944855, 211889710]

約数ペア:

[(1, 211889710), (2, 105944855), (5, 42377942), (10, 21188971), (19, 11152090), (38, 5576045), (95, 2230418), (97, 2184430), (190, 1115209), (194, 1092215), (485, 436886), (970, 218443), (1843, 114970), (3686, 57485), (9215, 22994), (11497, 18430)]