166460900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1109}}^1$

素因数の和:1221

約数の個数: 72

約数和(自身を含む): 385392000

約数和(自身を除く): 218931100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 79, 95, 100, 158, 190, 316, 380, 395, 475, 790, 950, 1109, 1501, 1580, 1900, 1975, 2218, 3002, 3950, 4436, 5545, 6004, 7505, 7900, 11090, 15010, 21071, 22180, 27725, 30020, 37525, 42142, 55450, 75050, 84284, 87611, 105355, 110900, 150100, 175222, 210710, 350444, 421420, 438055, 526775, 876110, 1053550, 1664609, 1752220, 2107100, 2190275, 3329218, 4380550, 6658436, 8323045, 8761100, 16646090, 33292180, 41615225, 83230450, 166460900]

約数ペア:

[(1, 166460900), (2, 83230450), (4, 41615225), (5, 33292180), (10, 16646090), (19, 8761100), (20, 8323045), (25, 6658436), (38, 4380550), (50, 3329218), (76, 2190275), (79, 2107100), (95, 1752220), (100, 1664609), (158, 1053550), (190, 876110), (316, 526775), (380, 438055), (395, 421420), (475, 350444), (790, 210710), (950, 175222), (1109, 150100), (1501, 110900), (1580, 105355), (1900, 87611), (1975, 84284), (2218, 75050), (3002, 55450), (3950, 42142), (4436, 37525), (5545, 30020), (6004, 27725), (7505, 22180), (7900, 21071), (11090, 15010)]