285666640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:885

約数の個数: 160

約数和(自身を含む): 826447104

約数和(自身を除く): 540780464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 37, 40, 56, 68, 70, 74, 80, 85, 112, 119, 136, 140, 148, 170, 185, 238, 259, 272, 280, 296, 340, 370, 476, 518, 560, 592, 595, 629, 680, 740, 811, 952, 1036, 1190, 1258, 1295, 1360, 1480, 1622, 1904, 2072, 2380, 2516, 2590, 2960, 3145, 3244, 4055, 4144, 4403, 4760, 5032, 5180, 5677, 6290, 6488, 8110, 8806, 9520, 10064, 10360, 11354, 12580, 12976, 13787, 16220, 17612, 20720, 22015, 22708, 25160, 27574, 28385, 30007, 32440, 35224, 44030, 45416, 50320, 55148, 56770, 60014, 64880, 68935, 70448, 88060, 90832, 96509, 110296, 113540, 120028, 137870, 150035, 176120, 193018, 210049, 220592, 227080, 240056, 275740, 300070, 352240, 386036, 420098, 454160, 480112, 482545, 510119, 551480, 600140, 772072, 840196, 965090, 1020238, 1050245, 1102960, 1200280, 1544144, 1680392, 1930180, 2040476, 2100490, 2400560, 2550595, 3360784, 3570833, 3860360, 4080952, 4200980, 5101190, 7141666, 7720720, 8161904, 8401960, 10202380, 14283332, 16803920, 17854165, 20404760, 28566664, 35708330, 40809520, 57133328, 71416660, 142833320, 285666640]

約数ペア:

[(1, 285666640), (2, 142833320), (4, 71416660), (5, 57133328), (7, 40809520), (8, 35708330), (10, 28566664), (14, 20404760), (16, 17854165), (17, 16803920), (20, 14283332), (28, 10202380), (34, 8401960), (35, 8161904), (37, 7720720), (40, 7141666), (56, 5101190), (68, 4200980), (70, 4080952), (74, 3860360), (80, 3570833), (85, 3360784), (112, 2550595), (119, 2400560), (136, 2100490), (140, 2040476), (148, 1930180), (170, 1680392), (185, 1544144), (238, 1200280), (259, 1102960), (272, 1050245), (280, 1020238), (296, 965090), (340, 840196), (370, 772072), (476, 600140), (518, 551480), (560, 510119), (592, 482545), (595, 480112), (629, 454160), (680, 420098), (740, 386036), (811, 352240), (952, 300070), (1036, 275740), (1190, 240056), (1258, 227080), (1295, 220592), (1360, 210049), (1480, 193018), (1622, 176120), (1904, 150035), (2072, 137870), (2380, 120028), (2516, 113540), (2590, 110296), (2960, 96509), (3145, 90832), (3244, 88060), (4055, 70448), (4144, 68935), (4403, 64880), (4760, 60014), (5032, 56770), (5180, 55148), (5677, 50320), (6290, 45416), (6488, 44030), (8110, 35224), (8806, 32440), (9520, 30007), (10064, 28385), (10360, 27574), (11354, 25160), (12580, 22708), (12976, 22015), (13787, 20720), (16220, 17612)]