388640896

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:694

約数の個数: 128

約数和(自身を含む): 958147200

約数和(自身を除く): 569506304

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 37, 38, 56, 64, 74, 76, 112, 128, 133, 148, 152, 224, 259, 266, 296, 304, 448, 518, 532, 592, 608, 617, 703, 896, 1036, 1064, 1184, 1216, 1234, 1406, 2072, 2128, 2368, 2432, 2468, 2812, 4144, 4256, 4319, 4736, 4921, 4936, 5624, 8288, 8512, 8638, 9842, 9872, 11248, 11723, 16576, 17024, 17276, 19684, 19744, 22496, 22829, 23446, 33152, 34552, 39368, 39488, 44992, 45658, 46892, 69104, 78736, 78976, 82061, 89984, 91316, 93784, 138208, 157472, 159803, 164122, 182632, 187568, 276416, 314944, 319606, 328244, 365264, 375136, 433751, 552832, 629888, 639212, 656488, 730528, 750272, 867502, 1278424, 1312976, 1461056, 1500544, 1735004, 2556848, 2625952, 2922112, 3036257, 3470008, 5113696, 5251904, 6072514, 6940016, 10227392, 10503808, 12145028, 13880032, 20454784, 24290056, 27760064, 48580112, 55520128, 97160224, 194320448, 388640896]

約数ペア:

[(1, 388640896), (2, 194320448), (4, 97160224), (7, 55520128), (8, 48580112), (14, 27760064), (16, 24290056), (19, 20454784), (28, 13880032), (32, 12145028), (37, 10503808), (38, 10227392), (56, 6940016), (64, 6072514), (74, 5251904), (76, 5113696), (112, 3470008), (128, 3036257), (133, 2922112), (148, 2625952), (152, 2556848), (224, 1735004), (259, 1500544), (266, 1461056), (296, 1312976), (304, 1278424), (448, 867502), (518, 750272), (532, 730528), (592, 656488), (608, 639212), (617, 629888), (703, 552832), (896, 433751), (1036, 375136), (1064, 365264), (1184, 328244), (1216, 319606), (1234, 314944), (1406, 276416), (2072, 187568), (2128, 182632), (2368, 164122), (2432, 159803), (2468, 157472), (2812, 138208), (4144, 93784), (4256, 91316), (4319, 89984), (4736, 82061), (4921, 78976), (4936, 78736), (5624, 69104), (8288, 46892), (8512, 45658), (8638, 44992), (9842, 39488), (9872, 39368), (11248, 34552), (11723, 33152), (16576, 23446), (17024, 22829), (17276, 22496), (19684, 19744)]