178400144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 393724800

約数和(自身を除く): 215324656

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 89, 92, 104, 178, 184, 208, 299, 356, 368, 419, 598, 712, 838, 1157, 1196, 1424, 1676, 2047, 2314, 2392, 3352, 4094, 4628, 4784, 5447, 6704, 8188, 9256, 9637, 10894, 16376, 18512, 19274, 21788, 26611, 32752, 37291, 38548, 43576, 53222, 74582, 77096, 87152, 106444, 125281, 149164, 154192, 212888, 250562, 298328, 425776, 484783, 501124, 596656, 857693, 969566, 1002248, 1715386, 1939132, 2004496, 3430772, 3878264, 6861544, 7756528, 11150009, 13723088, 22300018, 44600036, 89200072, 178400144]

約数ペア:

[(1, 178400144), (2, 89200072), (4, 44600036), (8, 22300018), (13, 13723088), (16, 11150009), (23, 7756528), (26, 6861544), (46, 3878264), (52, 3430772), (89, 2004496), (92, 1939132), (104, 1715386), (178, 1002248), (184, 969566), (208, 857693), (299, 596656), (356, 501124), (368, 484783), (419, 425776), (598, 298328), (712, 250562), (838, 212888), (1157, 154192), (1196, 149164), (1424, 125281), (1676, 106444), (2047, 87152), (2314, 77096), (2392, 74582), (3352, 53222), (4094, 43576), (4628, 38548), (4784, 37291), (5447, 32752), (6704, 26611), (8188, 21788), (9256, 19274), (9637, 18512), (10894, 16376)]