280870880470

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1\times {\mathrm{823}}^1\times {\mathrm{907}}^1$

素因数の和:2125

約数の個数: 64

約数和(自身を含む): 511978807296

約数和(自身を除く): 231107926826

約数列:

[1, 2, 5, 10, 191, 197, 382, 394, 823, 907, 955, 985, 1646, 1814, 1910, 1970, 4115, 4535, 8230, 9070, 37627, 75254, 157193, 162131, 173237, 178679, 188135, 314386, 324262, 346474, 357358, 376270, 746461, 785965, 810655, 866185, 893395, 1492922, 1571930, 1621310, 1732370, 1786790, 3732305, 7464610, 30967021, 34127689, 61934042, 68255378, 142574051, 147052817, 154835105, 170638445, 285148102, 294105634, 309670210, 341276890, 712870255, 735264085, 1425740510, 1470528170, 28087088047, 56174176094, 140435440235, 280870880470]

約数ペア:

[(1, 280870880470), (2, 140435440235), (5, 56174176094), (10, 28087088047), (191, 1470528170), (197, 1425740510), (382, 735264085), (394, 712870255), (823, 341276890), (907, 309670210), (955, 294105634), (985, 285148102), (1646, 170638445), (1814, 154835105), (1910, 147052817), (1970, 142574051), (4115, 68255378), (4535, 61934042), (8230, 34127689), (9070, 30967021), (37627, 7464610), (75254, 3732305), (157193, 1786790), (162131, 1732370), (173237, 1621310), (178679, 1571930), (188135, 1492922), (314386, 893395), (324262, 866185), (346474, 810655), (357358, 785965), (376270, 746461)]