408086146940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1321}}^1\times {\mathrm{42787}}^1$

素因数の和:44155

約数の個数: 72

約数和(自身を含む): 905164907472

約数和(自身を除く): 497078760532

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1321, 1444, 1805, 2642, 3610, 5284, 6605, 7220, 13210, 25099, 26420, 42787, 50198, 85574, 100396, 125495, 171148, 213935, 250990, 427870, 476881, 501980, 812953, 855740, 953762, 1625906, 1907524, 2384405, 3251812, 4064765, 4768810, 8129530, 9537620, 15446107, 16259060, 30892214, 56521627, 61784428, 77230535, 113043254, 154461070, 226086508, 282608135, 308922140, 565216270, 1073910913, 1130432540, 2147821826, 4295643652, 5369554565, 10739109130, 20404307347, 21478218260, 40808614694, 81617229388, 102021536735, 204043073470, 408086146940]

約数ペア:

[(1, 408086146940), (2, 204043073470), (4, 102021536735), (5, 81617229388), (10, 40808614694), (19, 21478218260), (20, 20404307347), (38, 10739109130), (76, 5369554565), (95, 4295643652), (190, 2147821826), (361, 1130432540), (380, 1073910913), (722, 565216270), (1321, 308922140), (1444, 282608135), (1805, 226086508), (2642, 154461070), (3610, 113043254), (5284, 77230535), (6605, 61784428), (7220, 56521627), (13210, 30892214), (25099, 16259060), (26420, 15446107), (42787, 9537620), (50198, 8129530), (85574, 4768810), (100396, 4064765), (125495, 3251812), (171148, 2384405), (213935, 1907524), (250990, 1625906), (427870, 953762), (476881, 855740), (501980, 812953)]