8558990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 18662400

約数和(自身を除く): 10103410

約数列:

[1, 2, 5, 10, 11, 17, 22, 23, 34, 46, 55, 85, 110, 115, 170, 187, 199, 230, 253, 374, 391, 398, 506, 782, 935, 995, 1265, 1870, 1955, 1990, 2189, 2530, 3383, 3910, 4301, 4378, 4577, 6766, 8602, 9154, 10945, 16915, 21505, 21890, 22885, 33830, 37213, 43010, 45770, 50347, 74426, 77809, 100694, 155618, 186065, 251735, 372130, 389045, 503470, 778090, 855899, 1711798, 4279495, 8558990]

約数ペア:

[(1, 8558990), (2, 4279495), (5, 1711798), (10, 855899), (11, 778090), (17, 503470), (22, 389045), (23, 372130), (34, 251735), (46, 186065), (55, 155618), (85, 100694), (110, 77809), (115, 74426), (170, 50347), (187, 45770), (199, 43010), (230, 37213), (253, 33830), (374, 22885), (391, 21890), (398, 21505), (506, 16915), (782, 10945), (935, 9154), (995, 8602), (1265, 6766), (1870, 4577), (1955, 4378), (1990, 4301), (2189, 3910), (2530, 3383)]