404289920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37159}}^1$

素因数の和:37195

約数の個数: 64

約数和(自身を含む): 1023386400

約数和(自身を除く): 619096480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 37159, 74318, 148636, 185795, 297272, 371590, 594544, 631703, 743180, 1189088, 1263406, 1486360, 2378176, 2526812, 2972720, 3158515, 4756352, 5053624, 5945440, 6317030, 10107248, 11890880, 12634060, 20214496, 23781760, 25268120, 40428992, 50536240, 80857984, 101072480, 202144960, 404289920]

約数ペア:

[(1, 404289920), (2, 202144960), (4, 101072480), (5, 80857984), (8, 50536240), (10, 40428992), (16, 25268120), (17, 23781760), (20, 20214496), (32, 12634060), (34, 11890880), (40, 10107248), (64, 6317030), (68, 5945440), (80, 5053624), (85, 4756352), (128, 3158515), (136, 2972720), (160, 2526812), (170, 2378176), (272, 1486360), (320, 1263406), (340, 1189088), (544, 743180), (640, 631703), (680, 594544), (1088, 371590), (1360, 297272), (2176, 185795), (2720, 148636), (5440, 74318), (10880, 37159)]