221953280

素因数分解:

$2^8\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2939}}^1$

素因数の和:3019

約数の個数: 72

約数和(自身を含む): 540842400

約数和(自身を除く): 318889120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 256, 295, 320, 472, 590, 640, 944, 1180, 1280, 1888, 2360, 2939, 3776, 4720, 5878, 7552, 9440, 11756, 14695, 15104, 18880, 23512, 29390, 37760, 47024, 58780, 75520, 94048, 117560, 173401, 188096, 235120, 346802, 376192, 470240, 693604, 752384, 867005, 940480, 1387208, 1734010, 1880960, 2774416, 3468020, 3761920, 5548832, 6936040, 11097664, 13872080, 22195328, 27744160, 44390656, 55488320, 110976640, 221953280]

約数ペア:

[(1, 221953280), (2, 110976640), (4, 55488320), (5, 44390656), (8, 27744160), (10, 22195328), (16, 13872080), (20, 11097664), (32, 6936040), (40, 5548832), (59, 3761920), (64, 3468020), (80, 2774416), (118, 1880960), (128, 1734010), (160, 1387208), (236, 940480), (256, 867005), (295, 752384), (320, 693604), (472, 470240), (590, 376192), (640, 346802), (944, 235120), (1180, 188096), (1280, 173401), (1888, 117560), (2360, 94048), (2939, 75520), (3776, 58780), (4720, 47024), (5878, 37760), (7552, 29390), (9440, 23512), (11756, 18880), (14695, 15104)]