507998440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{8461}}^1$

素因数の和:8570

約数の個数: 64

約数和(自身を含む): 1218528000

約数和(自身を除く): 710529560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1501, 1580, 3002, 3160, 6004, 7505, 8461, 12008, 15010, 16922, 30020, 33844, 42305, 60040, 67688, 84610, 160759, 169220, 321518, 338440, 643036, 668419, 803795, 1286072, 1336838, 1607590, 2673676, 3215180, 3342095, 5347352, 6430360, 6684190, 12699961, 13368380, 25399922, 26736760, 50799844, 63499805, 101599688, 126999610, 253999220, 507998440]

約数ペア:

[(1, 507998440), (2, 253999220), (4, 126999610), (5, 101599688), (8, 63499805), (10, 50799844), (19, 26736760), (20, 25399922), (38, 13368380), (40, 12699961), (76, 6684190), (79, 6430360), (95, 5347352), (152, 3342095), (158, 3215180), (190, 2673676), (316, 1607590), (380, 1336838), (395, 1286072), (632, 803795), (760, 668419), (790, 643036), (1501, 338440), (1580, 321518), (3002, 169220), (3160, 160759), (6004, 84610), (7505, 67688), (8461, 60040), (12008, 42305), (15010, 33844), (16922, 30020)]