77397460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{78977}}^1$

素因数の和:79000

約数の個数: 36

約数和(自身を含む): 189073332

約数和(自身を除く): 111675872

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 78977, 157954, 315908, 394885, 552839, 789770, 1105678, 1579540, 2211356, 2764195, 3869873, 5528390, 7739746, 11056780, 15479492, 19349365, 38698730, 77397460]

約数ペア:

[(1, 77397460), (2, 38698730), (4, 19349365), (5, 15479492), (7, 11056780), (10, 7739746), (14, 5528390), (20, 3869873), (28, 2764195), (35, 2211356), (49, 1579540), (70, 1105678), (98, 789770), (140, 552839), (196, 394885), (245, 315908), (490, 157954), (980, 78977)]