140448896

素因数分解:

$2^7\times 7^4\times {\mathrm{457}}^1$

素因数の和:499

約数の個数: 80

約数和(自身を含む): 327128790

約数和(自身を除く): 186679894

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 457, 686, 784, 896, 914, 1372, 1568, 1828, 2401, 2744, 3136, 3199, 3656, 4802, 5488, 6272, 6398, 7312, 9604, 10976, 12796, 14624, 19208, 21952, 22393, 25592, 29248, 38416, 43904, 44786, 51184, 58496, 76832, 89572, 102368, 153664, 156751, 179144, 204736, 307328, 313502, 358288, 409472, 627004, 716576, 1097257, 1254008, 1433152, 2194514, 2508016, 2866304, 4389028, 5016032, 8778056, 10032064, 17556112, 20064128, 35112224, 70224448, 140448896]

約数ペア:

[(1, 140448896), (2, 70224448), (4, 35112224), (7, 20064128), (8, 17556112), (14, 10032064), (16, 8778056), (28, 5016032), (32, 4389028), (49, 2866304), (56, 2508016), (64, 2194514), (98, 1433152), (112, 1254008), (128, 1097257), (196, 716576), (224, 627004), (343, 409472), (392, 358288), (448, 313502), (457, 307328), (686, 204736), (784, 179144), (896, 156751), (914, 153664), (1372, 102368), (1568, 89572), (1828, 76832), (2401, 58496), (2744, 51184), (3136, 44786), (3199, 43904), (3656, 38416), (4802, 29248), (5488, 25592), (6272, 22393), (6398, 21952), (7312, 19208), (9604, 14624), (10976, 12796)]