538398440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{3709}}^1$

素因数の和:3930

約数の個数: 64

約数和(自身を含む): 1282176000

約数和(自身を除く): 743777560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 191, 380, 382, 760, 764, 955, 1528, 1910, 3629, 3709, 3820, 7258, 7418, 7640, 14516, 14836, 18145, 18545, 29032, 29672, 36290, 37090, 70471, 72580, 74180, 140942, 145160, 148360, 281884, 352355, 563768, 704710, 708419, 1409420, 1416838, 2818840, 2833676, 3542095, 5667352, 7084190, 13459961, 14168380, 26919922, 28336760, 53839844, 67299805, 107679688, 134599610, 269199220, 538398440]

約数ペア:

[(1, 538398440), (2, 269199220), (4, 134599610), (5, 107679688), (8, 67299805), (10, 53839844), (19, 28336760), (20, 26919922), (38, 14168380), (40, 13459961), (76, 7084190), (95, 5667352), (152, 3542095), (190, 2833676), (191, 2818840), (380, 1416838), (382, 1409420), (760, 708419), (764, 704710), (955, 563768), (1528, 352355), (1910, 281884), (3629, 148360), (3709, 145160), (3820, 140942), (7258, 74180), (7418, 72580), (7640, 70471), (14516, 37090), (14836, 36290), (18145, 29672), (18545, 29032)]