1920920425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{683}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 2605547520

約数和(自身を除く): 684627095

約数列:

[1, 5, 19, 25, 31, 95, 155, 191, 475, 589, 683, 775, 955, 2945, 3415, 3629, 4775, 5921, 12977, 14725, 17075, 18145, 21173, 29605, 64885, 90725, 105865, 112499, 130453, 148025, 324425, 402287, 529325, 562495, 652265, 2011435, 2478607, 2812475, 3261325, 4044043, 10057175, 12393035, 20220215, 61965175, 76836817, 101101075, 384184085, 1920920425]

約数ペア:

[(1, 1920920425), (5, 384184085), (19, 101101075), (25, 76836817), (31, 61965175), (95, 20220215), (155, 12393035), (191, 10057175), (475, 4044043), (589, 3261325), (683, 2812475), (775, 2478607), (955, 2011435), (2945, 652265), (3415, 562495), (3629, 529325), (4775, 402287), (5921, 324425), (12977, 148025), (14725, 130453), (17075, 112499), (18145, 105865), (21173, 90725), (29605, 64885)]