1900642975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7537}}^1$

素因数の和:7696

約数の個数: 48

約数和(自身を含む): 2961167616

約数和(自身を除く): 1060524641

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 131, 175, 275, 385, 655, 917, 1441, 1925, 3275, 4585, 7205, 7537, 10087, 22925, 36025, 37685, 50435, 52759, 82907, 188425, 252175, 263795, 414535, 580349, 987347, 1318975, 2072675, 2901745, 4936735, 6911429, 10860817, 14508725, 24683675, 34557145, 54304085, 76025719, 172785725, 271520425, 380128595, 1900642975]

約数ペア:

[(1, 1900642975), (5, 380128595), (7, 271520425), (11, 172785725), (25, 76025719), (35, 54304085), (55, 34557145), (77, 24683675), (131, 14508725), (175, 10860817), (275, 6911429), (385, 4936735), (655, 2901745), (917, 2072675), (1441, 1318975), (1925, 987347), (3275, 580349), (4585, 414535), (7205, 263795), (7537, 252175), (10087, 188425), (22925, 82907), (36025, 52759), (37685, 50435)]