74847490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 137479680

約数和(自身を除く): 62632190

約数列:

[1, 2, 5, 10, 71, 142, 271, 355, 389, 542, 710, 778, 1355, 1945, 2710, 3890, 19241, 27619, 38482, 55238, 96205, 105419, 138095, 192410, 210838, 276190, 527095, 1054190, 7484749, 14969498, 37423745, 74847490]

約数ペア:

[(1, 74847490), (2, 37423745), (5, 14969498), (10, 7484749), (71, 1054190), (142, 527095), (271, 276190), (355, 210838), (389, 192410), (542, 138095), (710, 105419), (778, 96205), (1355, 55238), (1945, 38482), (2710, 27619), (3890, 19241)]