440521984

素因数分解:

$2^8\times 7^1\times {\mathrm{293}}^1\times {\mathrm{839}}^1$

素因数の和:1155

約数の個数: 72

約数和(自身を含む): 1009572480

約数和(自身を除く): 569050496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 293, 448, 586, 839, 896, 1172, 1678, 1792, 2051, 2344, 3356, 4102, 4688, 5873, 6712, 8204, 9376, 11746, 13424, 16408, 18752, 23492, 26848, 32816, 37504, 46984, 53696, 65632, 75008, 93968, 107392, 131264, 187936, 214784, 245827, 262528, 375872, 491654, 525056, 751744, 983308, 1503488, 1720789, 1966616, 3441578, 3933232, 6883156, 7866464, 13766312, 15732928, 27532624, 31465856, 55065248, 62931712, 110130496, 220260992, 440521984]

約数ペア:

[(1, 440521984), (2, 220260992), (4, 110130496), (7, 62931712), (8, 55065248), (14, 31465856), (16, 27532624), (28, 15732928), (32, 13766312), (56, 7866464), (64, 6883156), (112, 3933232), (128, 3441578), (224, 1966616), (256, 1720789), (293, 1503488), (448, 983308), (586, 751744), (839, 525056), (896, 491654), (1172, 375872), (1678, 262528), (1792, 245827), (2051, 214784), (2344, 187936), (3356, 131264), (4102, 107392), (4688, 93968), (5873, 75008), (6712, 65632), (8204, 53696), (9376, 46984), (11746, 37504), (13424, 32816), (16408, 26848), (18752, 23492)]