17813882380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18177431}}^1$

素因数の和:18177454

約数の個数: 36

約数和(自身を含む): 43516772208

約数和(自身を除く): 25702889828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18177431, 36354862, 72709724, 90887155, 127242017, 181774310, 254484034, 363548620, 508968068, 636210085, 890694119, 1272420170, 1781388238, 2544840340, 3562776476, 4453470595, 8906941190, 17813882380]

約数ペア:

[(1, 17813882380), (2, 8906941190), (4, 4453470595), (5, 3562776476), (7, 2544840340), (10, 1781388238), (14, 1272420170), (20, 890694119), (28, 636210085), (35, 508968068), (49, 363548620), (70, 254484034), (98, 181774310), (140, 127242017), (196, 90887155), (245, 72709724), (490, 36354862), (980, 18177431)]