893001520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1877}}^1$

素因数の和:2222

約数の個数: 80

約数和(自身を含む): 2193654240

約数和(自身を除く): 1300652720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 313, 380, 626, 760, 1252, 1520, 1565, 1877, 2504, 3130, 3754, 5008, 5947, 6260, 7508, 9385, 11894, 12520, 15016, 18770, 23788, 25040, 29735, 30032, 35663, 37540, 47576, 59470, 71326, 75080, 95152, 118940, 142652, 150160, 178315, 237880, 285304, 356630, 475760, 570608, 587501, 713260, 1175002, 1426520, 2350004, 2853040, 2937505, 4700008, 5875010, 9400016, 11162519, 11750020, 22325038, 23500040, 44650076, 47000080, 55812595, 89300152, 111625190, 178600304, 223250380, 446500760, 893001520]

約数ペア:

[(1, 893001520), (2, 446500760), (4, 223250380), (5, 178600304), (8, 111625190), (10, 89300152), (16, 55812595), (19, 47000080), (20, 44650076), (38, 23500040), (40, 22325038), (76, 11750020), (80, 11162519), (95, 9400016), (152, 5875010), (190, 4700008), (304, 2937505), (313, 2853040), (380, 2350004), (626, 1426520), (760, 1175002), (1252, 713260), (1520, 587501), (1565, 570608), (1877, 475760), (2504, 356630), (3130, 285304), (3754, 237880), (5008, 178315), (5947, 150160), (6260, 142652), (7508, 118940), (9385, 95152), (11894, 75080), (12520, 71326), (15016, 59470), (18770, 47576), (23788, 37540), (25040, 35663), (29735, 30032)]