1900190720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{371131}}^1$

素因数の和:371156

約数の個数: 44

約数和(自身を含む): 4558243224

約数和(自身を除く): 2658052504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 371131, 742262, 1484524, 1855655, 2969048, 3711310, 5938096, 7422620, 11876192, 14845240, 23752384, 29690480, 47504768, 59380960, 95009536, 118761920, 190019072, 237523840, 380038144, 475047680, 950095360, 1900190720]

約数ペア:

[(1, 1900190720), (2, 950095360), (4, 475047680), (5, 380038144), (8, 237523840), (10, 190019072), (16, 118761920), (20, 95009536), (32, 59380960), (40, 47504768), (64, 29690480), (80, 23752384), (128, 14845240), (160, 11876192), (256, 7422620), (320, 5938096), (512, 3711310), (640, 2969048), (1024, 1855655), (1280, 1484524), (2560, 742262), (5120, 371131)]