7661121220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1\times {\mathrm{10169}}^1$

素因数の和:10588

約数の個数: 48

約数和(自身を含む): 16265491200

約数和(自身を除く): 8604369980

約数列:

[1, 2, 4, 5, 10, 20, 139, 271, 278, 542, 556, 695, 1084, 1355, 1390, 2710, 2780, 5420, 10169, 20338, 37669, 40676, 50845, 75338, 101690, 150676, 188345, 203380, 376690, 753380, 1413491, 2755799, 2826982, 5511598, 5653964, 7067455, 11023196, 13778995, 14134910, 27557990, 28269820, 55115980, 383056061, 766112122, 1532224244, 1915280305, 3830560610, 7661121220]

約数ペア:

[(1, 7661121220), (2, 3830560610), (4, 1915280305), (5, 1532224244), (10, 766112122), (20, 383056061), (139, 55115980), (271, 28269820), (278, 27557990), (542, 14134910), (556, 13778995), (695, 11023196), (1084, 7067455), (1355, 5653964), (1390, 5511598), (2710, 2826982), (2780, 2755799), (5420, 1413491), (10169, 753380), (20338, 376690), (37669, 203380), (40676, 188345), (50845, 150676), (75338, 101690)]