490948144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1614961}}^1$

素因数の和:1614988

約数の個数: 20

約数和(自身を含む): 1001276440

約数和(自身を除く): 510328296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1614961, 3229922, 6459844, 12919688, 25839376, 30684259, 61368518, 122737036, 245474072, 490948144]

約数ペア:

[(1, 490948144), (2, 245474072), (4, 122737036), (8, 61368518), (16, 30684259), (19, 25839376), (38, 12919688), (76, 6459844), (152, 3229922), (304, 1614961)]