914974780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{743}}^1\times {\mathrm{919}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 1954874880

約数和(自身を除く): 1039900100

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 743, 919, 1340, 1486, 1838, 2972, 3676, 3715, 4595, 7430, 9190, 14860, 18380, 49781, 61573, 99562, 123146, 199124, 246292, 248905, 307865, 497810, 615730, 682817, 995620, 1231460, 1365634, 2731268, 3414085, 6828170, 13656340, 45748739, 91497478, 182994956, 228743695, 457487390, 914974780]

約数ペア:

[(1, 914974780), (2, 457487390), (4, 228743695), (5, 182994956), (10, 91497478), (20, 45748739), (67, 13656340), (134, 6828170), (268, 3414085), (335, 2731268), (670, 1365634), (743, 1231460), (919, 995620), (1340, 682817), (1486, 615730), (1838, 497810), (2972, 307865), (3676, 248905), (3715, 246292), (4595, 199124), (7430, 123146), (9190, 99562), (14860, 61573), (18380, 49781)]