2205158240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{725381}}^1$

素因数の和:725415

約数の個数: 48

約数和(自身を含む): 5483887920

約数和(自身を除く): 3278729680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 725381, 1450762, 2901524, 3626905, 5803048, 7253810, 11606096, 13782239, 14507620, 23212192, 27564478, 29015240, 55128956, 58030480, 68911195, 110257912, 116060960, 137822390, 220515824, 275644780, 441031648, 551289560, 1102579120, 2205158240]

約数ペア:

[(1, 2205158240), (2, 1102579120), (4, 551289560), (5, 441031648), (8, 275644780), (10, 220515824), (16, 137822390), (19, 116060960), (20, 110257912), (32, 68911195), (38, 58030480), (40, 55128956), (76, 29015240), (80, 27564478), (95, 23212192), (152, 14507620), (160, 13782239), (190, 11606096), (304, 7253810), (380, 5803048), (608, 3626905), (760, 2901524), (1520, 1450762), (3040, 725381)]