1840231225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 2868546560

約数和(自身を除く): 1028315335

約数列:

[1, 5, 7, 19, 25, 35, 43, 61, 95, 133, 175, 211, 215, 301, 305, 427, 475, 665, 817, 1055, 1075, 1159, 1477, 1505, 1525, 2135, 2623, 3325, 4009, 4085, 5275, 5719, 5795, 7385, 7525, 8113, 9073, 10675, 12871, 13115, 18361, 20045, 20425, 28063, 28595, 28975, 36925, 40565, 45365, 49837, 63511, 64355, 65575, 90097, 91805, 100225, 140315, 142975, 172387, 202825, 226825, 244549, 249185, 317555, 321775, 348859, 450485, 459025, 553453, 701575, 861935, 1206709, 1222745, 1245925, 1587775, 1711843, 1744295, 2252425, 2767265, 3874171, 4309675, 6033545, 6113725, 8559215, 8721475, 10515607, 13836325, 19370855, 30167725, 42796075, 52578035, 73609249, 96854275, 262890175, 368046245, 1840231225]

約数ペア:

[(1, 1840231225), (5, 368046245), (7, 262890175), (19, 96854275), (25, 73609249), (35, 52578035), (43, 42796075), (61, 30167725), (95, 19370855), (133, 13836325), (175, 10515607), (211, 8721475), (215, 8559215), (301, 6113725), (305, 6033545), (427, 4309675), (475, 3874171), (665, 2767265), (817, 2252425), (1055, 1744295), (1075, 1711843), (1159, 1587775), (1477, 1245925), (1505, 1222745), (1525, 1206709), (2135, 861935), (2623, 701575), (3325, 553453), (4009, 459025), (4085, 450485), (5275, 348859), (5719, 321775), (5795, 317555), (7385, 249185), (7525, 244549), (8113, 226825), (9073, 202825), (10675, 172387), (12871, 142975), (13115, 140315), (18361, 100225), (20045, 91805), (20425, 90097), (28063, 65575), (28595, 64355), (28975, 63511), (36925, 49837), (40565, 45365)]