140503552

素因数分解:

$2^9\times 7^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:421

約数の個数: 80

約数和(自身を含む): 324086400

約数和(自身を除く): 183582848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 197, 199, 224, 256, 394, 398, 448, 512, 788, 796, 896, 1379, 1393, 1576, 1592, 1792, 2758, 2786, 3152, 3184, 3584, 5516, 5572, 6304, 6368, 11032, 11144, 12608, 12736, 22064, 22288, 25216, 25472, 39203, 44128, 44576, 50432, 50944, 78406, 88256, 89152, 100864, 101888, 156812, 176512, 178304, 274421, 313624, 353024, 356608, 548842, 627248, 706048, 713216, 1097684, 1254496, 2195368, 2508992, 4390736, 5017984, 8781472, 10035968, 17562944, 20071936, 35125888, 70251776, 140503552]

約数ペア:

[(1, 140503552), (2, 70251776), (4, 35125888), (7, 20071936), (8, 17562944), (14, 10035968), (16, 8781472), (28, 5017984), (32, 4390736), (56, 2508992), (64, 2195368), (112, 1254496), (128, 1097684), (197, 713216), (199, 706048), (224, 627248), (256, 548842), (394, 356608), (398, 353024), (448, 313624), (512, 274421), (788, 178304), (796, 176512), (896, 156812), (1379, 101888), (1393, 100864), (1576, 89152), (1592, 88256), (1792, 78406), (2758, 50944), (2786, 50432), (3152, 44576), (3184, 44128), (3584, 39203), (5516, 25472), (5572, 25216), (6304, 22288), (6368, 22064), (11032, 12736), (11144, 12608)]