391292080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2027}}^1$

素因数の和:2186

約数の個数: 80

約数和(自身を含む): 965652480

約数和(自身を除く): 574360400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 127, 152, 190, 254, 304, 380, 508, 635, 760, 1016, 1270, 1520, 2027, 2032, 2413, 2540, 4054, 4826, 5080, 8108, 9652, 10135, 10160, 12065, 16216, 19304, 20270, 24130, 32432, 38513, 38608, 40540, 48260, 77026, 81080, 96520, 154052, 162160, 192565, 193040, 257429, 308104, 385130, 514858, 616208, 770260, 1029716, 1287145, 1540520, 2059432, 2574290, 3081040, 4118864, 4891151, 5148580, 9782302, 10297160, 19564604, 20594320, 24455755, 39129208, 48911510, 78258416, 97823020, 195646040, 391292080]

約数ペア:

[(1, 391292080), (2, 195646040), (4, 97823020), (5, 78258416), (8, 48911510), (10, 39129208), (16, 24455755), (19, 20594320), (20, 19564604), (38, 10297160), (40, 9782302), (76, 5148580), (80, 4891151), (95, 4118864), (127, 3081040), (152, 2574290), (190, 2059432), (254, 1540520), (304, 1287145), (380, 1029716), (508, 770260), (635, 616208), (760, 514858), (1016, 385130), (1270, 308104), (1520, 257429), (2027, 193040), (2032, 192565), (2413, 162160), (2540, 154052), (4054, 96520), (4826, 81080), (5080, 77026), (8108, 48260), (9652, 40540), (10135, 38608), (10160, 38513), (12065, 32432), (16216, 24130), (19304, 20270)]