680928.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 13547520

約数和(自身を除く): 7438660

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 167, 236, 295, 310, 334, 590, 620, 668, 835, 1180, 1670, 1829, 3340, 3658, 5177, 7316, 9145, 9853, 10354, 18290, 19706, 20708, 25885, 36580, 39412, 49265, 51770, 98530, 103540, 197060, 305443, 610886, 1221772, 1527215, 3054430, 6108860]

約数ペア:

[(1, 6108860), (2, 3054430), (4, 1527215), (5, 1221772), (10, 610886), (20, 305443), (31, 197060), (59, 103540), (62, 98530), (118, 51770), (124, 49265), (155, 39412), (167, 36580), (236, 25885), (295, 20708), (310, 19706), (334, 18290), (590, 10354), (620, 9853), (668, 9145), (835, 7316), (1180, 5177), (1670, 3658), (1829, 3340)]