409344520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18307}}^1$

素因数の和:18374

約数の個数: 64

約数和(自身を含む): 1014995520

約数和(自身を除く): 605651000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5590, 11180, 18307, 22360, 36614, 73228, 91535, 146456, 183070, 237991, 366140, 475982, 732280, 787201, 951964, 1189955, 1574402, 1903928, 2379910, 3148804, 3936005, 4759820, 6297608, 7872010, 9519640, 10233613, 15744020, 20467226, 31488040, 40934452, 51168065, 81868904, 102336130, 204672260, 409344520]

約数ペア:

[(1, 409344520), (2, 204672260), (4, 102336130), (5, 81868904), (8, 51168065), (10, 40934452), (13, 31488040), (20, 20467226), (26, 15744020), (40, 10233613), (43, 9519640), (52, 7872010), (65, 6297608), (86, 4759820), (104, 3936005), (130, 3148804), (172, 2379910), (215, 1903928), (260, 1574402), (344, 1189955), (430, 951964), (520, 787201), (559, 732280), (860, 475982), (1118, 366140), (1720, 237991), (2236, 183070), (2795, 146456), (4472, 91535), (5590, 73228), (11180, 36614), (18307, 22360)]