11381000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 28080000

約数和(自身を除く): 16699000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 599, 760, 950, 1000, 1198, 1900, 2375, 2396, 2995, 3800, 4750, 4792, 5990, 9500, 11381, 11980, 14975, 19000, 22762, 23960, 29950, 45524, 56905, 59900, 74875, 91048, 113810, 119800, 149750, 227620, 284525, 299500, 455240, 569050, 599000, 1138100, 1422625, 2276200, 2845250, 5690500, 11381000]

約数ペア:

[(1, 11381000), (2, 5690500), (4, 2845250), (5, 2276200), (8, 1422625), (10, 1138100), (19, 599000), (20, 569050), (25, 455240), (38, 299500), (40, 284525), (50, 227620), (76, 149750), (95, 119800), (100, 113810), (125, 91048), (152, 74875), (190, 59900), (200, 56905), (250, 45524), (380, 29950), (475, 23960), (500, 22762), (599, 19000), (760, 14975), (950, 11980), (1000, 11381), (1198, 9500), (1900, 5990), (2375, 4792), (2396, 4750), (2995, 3800)]