220165640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1627}}^1$

素因数の和:1854

約数の個数: 64

約数和(自身を含む): 527472000

約数和(自身を除く): 307306360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 199, 340, 398, 680, 796, 995, 1592, 1627, 1990, 3254, 3383, 3980, 6508, 6766, 7960, 8135, 13016, 13532, 16270, 16915, 27064, 27659, 32540, 33830, 55318, 65080, 67660, 110636, 135320, 138295, 221272, 276590, 323773, 553180, 647546, 1106360, 1295092, 1618865, 2590184, 3237730, 5504141, 6475460, 11008282, 12950920, 22016564, 27520705, 44033128, 55041410, 110082820, 220165640]

約数ペア:

[(1, 220165640), (2, 110082820), (4, 55041410), (5, 44033128), (8, 27520705), (10, 22016564), (17, 12950920), (20, 11008282), (34, 6475460), (40, 5504141), (68, 3237730), (85, 2590184), (136, 1618865), (170, 1295092), (199, 1106360), (340, 647546), (398, 553180), (680, 323773), (796, 276590), (995, 221272), (1592, 138295), (1627, 135320), (1990, 110636), (3254, 67660), (3383, 65080), (3980, 55318), (6508, 33830), (6766, 32540), (7960, 27659), (8135, 27064), (13016, 16915), (13532, 16270)]