77510990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 153964800

約数和(自身を除く): 76453810

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 89, 94, 109, 170, 178, 218, 235, 445, 470, 545, 799, 890, 1090, 1513, 1598, 1853, 3026, 3706, 3995, 4183, 5123, 7565, 7990, 8366, 9265, 9701, 10246, 15130, 18530, 19402, 20915, 25615, 41830, 48505, 51230, 71111, 87091, 97010, 142222, 164917, 174182, 329834, 355555, 435455, 455947, 711110, 824585, 870910, 911894, 1649170, 2279735, 4559470, 7751099, 15502198, 38755495, 77510990]

約数ペア:

[(1, 77510990), (2, 38755495), (5, 15502198), (10, 7751099), (17, 4559470), (34, 2279735), (47, 1649170), (85, 911894), (89, 870910), (94, 824585), (109, 711110), (170, 455947), (178, 435455), (218, 355555), (235, 329834), (445, 174182), (470, 164917), (545, 142222), (799, 97010), (890, 87091), (1090, 71111), (1513, 51230), (1598, 48505), (1853, 41830), (3026, 25615), (3706, 20915), (3995, 19402), (4183, 18530), (5123, 15130), (7565, 10246), (7990, 9701), (8366, 9265)]