778974680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{467}}^1$

素因数の和:729

約数の個数: 128

約数和(自身を含む): 2037934080

約数和(自身を除く): 1258959400

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 223, 340, 374, 440, 446, 467, 680, 748, 892, 934, 935, 1115, 1496, 1784, 1868, 1870, 2230, 2335, 2453, 3736, 3740, 3791, 4460, 4670, 4906, 5137, 7480, 7582, 7939, 8920, 9340, 9812, 10274, 12265, 15164, 15878, 18680, 18955, 19624, 20548, 24530, 25685, 30328, 31756, 37910, 39695, 41096, 41701, 49060, 51370, 63512, 75820, 79390, 83402, 87329, 98120, 102740, 104141, 151640, 158780, 166804, 174658, 205480, 208282, 208505, 317560, 333608, 349316, 416564, 417010, 436645, 520705, 698632, 833128, 834020, 873290, 1041410, 1145551, 1668040, 1746580, 1770397, 2082820, 2291102, 3493160, 3540794, 4165640, 4582204, 5727755, 7081588, 8851985, 9164408, 11455510, 14163176, 17703970, 19474367, 22911020, 35407940, 38948734, 45822040, 70815880, 77897468, 97371835, 155794936, 194743670, 389487340, 778974680]

約数ペア:

[(1, 778974680), (2, 389487340), (4, 194743670), (5, 155794936), (8, 97371835), (10, 77897468), (11, 70815880), (17, 45822040), (20, 38948734), (22, 35407940), (34, 22911020), (40, 19474367), (44, 17703970), (55, 14163176), (68, 11455510), (85, 9164408), (88, 8851985), (110, 7081588), (136, 5727755), (170, 4582204), (187, 4165640), (220, 3540794), (223, 3493160), (340, 2291102), (374, 2082820), (440, 1770397), (446, 1746580), (467, 1668040), (680, 1145551), (748, 1041410), (892, 873290), (934, 834020), (935, 833128), (1115, 698632), (1496, 520705), (1784, 436645), (1868, 417010), (1870, 416564), (2230, 349316), (2335, 333608), (2453, 317560), (3736, 208505), (3740, 208282), (3791, 205480), (4460, 174658), (4670, 166804), (4906, 158780), (5137, 151640), (7480, 104141), (7582, 102740), (7939, 98120), (8920, 87329), (9340, 83402), (9812, 79390), (10274, 75820), (12265, 63512), (15164, 51370), (15878, 49060), (18680, 41701), (18955, 41096), (19624, 39695), (20548, 37910), (24530, 31756), (25685, 30328)]