406243360

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:626

約数の個数: 96

約数和(自身を含む): 991533312

約数和(自身を除く): 585289952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 137, 160, 172, 215, 274, 344, 430, 431, 548, 685, 688, 860, 862, 1096, 1370, 1376, 1720, 1724, 2155, 2192, 2740, 3440, 3448, 4310, 4384, 5480, 5891, 6880, 6896, 8620, 10960, 11782, 13792, 17240, 18533, 21920, 23564, 29455, 34480, 37066, 47128, 58910, 59047, 68960, 74132, 92665, 94256, 117820, 118094, 148264, 185330, 188512, 235640, 236188, 295235, 296528, 370660, 471280, 472376, 590470, 593056, 741320, 942560, 944752, 1180940, 1482640, 1889504, 2361880, 2539021, 2965280, 4723760, 5078042, 9447520, 10156084, 12695105, 20312168, 25390210, 40624336, 50780420, 81248672, 101560840, 203121680, 406243360]

約数ペア:

[(1, 406243360), (2, 203121680), (4, 101560840), (5, 81248672), (8, 50780420), (10, 40624336), (16, 25390210), (20, 20312168), (32, 12695105), (40, 10156084), (43, 9447520), (80, 5078042), (86, 4723760), (137, 2965280), (160, 2539021), (172, 2361880), (215, 1889504), (274, 1482640), (344, 1180940), (430, 944752), (431, 942560), (548, 741320), (685, 593056), (688, 590470), (860, 472376), (862, 471280), (1096, 370660), (1370, 296528), (1376, 295235), (1720, 236188), (1724, 235640), (2155, 188512), (2192, 185330), (2740, 148264), (3440, 118094), (3448, 117820), (4310, 94256), (4384, 92665), (5480, 74132), (5891, 68960), (6880, 59047), (6896, 58910), (8620, 47128), (10960, 37066), (11782, 34480), (13792, 29455), (17240, 23564), (18533, 21920)]