870819440

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1\times {\mathrm{383}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 2057868288

約数和(自身を除く): 1187048848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 293, 383, 388, 485, 586, 766, 776, 970, 1172, 1465, 1532, 1552, 1915, 1940, 2344, 2930, 3064, 3830, 3880, 4688, 5860, 6128, 7660, 7760, 11720, 15320, 23440, 28421, 30640, 37151, 56842, 74302, 112219, 113684, 142105, 148604, 185755, 224438, 227368, 284210, 297208, 371510, 448876, 454736, 561095, 568420, 594416, 743020, 897752, 1122190, 1136840, 1486040, 1795504, 2244380, 2273680, 2972080, 4488760, 8977520, 10885243, 21770486, 43540972, 54426215, 87081944, 108852430, 174163888, 217704860, 435409720, 870819440]

約数ペア:

[(1, 870819440), (2, 435409720), (4, 217704860), (5, 174163888), (8, 108852430), (10, 87081944), (16, 54426215), (20, 43540972), (40, 21770486), (80, 10885243), (97, 8977520), (194, 4488760), (293, 2972080), (383, 2273680), (388, 2244380), (485, 1795504), (586, 1486040), (766, 1136840), (776, 1122190), (970, 897752), (1172, 743020), (1465, 594416), (1532, 568420), (1552, 561095), (1915, 454736), (1940, 448876), (2344, 371510), (2930, 297208), (3064, 284210), (3830, 227368), (3880, 224438), (4688, 185755), (5860, 148604), (6128, 142105), (7660, 113684), (7760, 112219), (11720, 74302), (15320, 56842), (23440, 37151), (28421, 30640)]