20194382900

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{38153}}^1$

素因数の和:38313

約数の個数: 72

約数和(自身を含む): 45040033920

約数和(自身を除く): 24845651020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 79, 100, 134, 158, 268, 316, 335, 395, 670, 790, 1340, 1580, 1675, 1975, 3350, 3950, 5293, 6700, 7900, 10586, 21172, 26465, 38153, 52930, 76306, 105860, 132325, 152612, 190765, 264650, 381530, 529300, 763060, 953825, 1907650, 2556251, 3014087, 3815300, 5112502, 6028174, 10225004, 12056348, 12781255, 15070435, 25562510, 30140870, 51125020, 60281740, 63906275, 75352175, 127812550, 150704350, 201943829, 255625100, 301408700, 403887658, 807775316, 1009719145, 2019438290, 4038876580, 5048595725, 10097191450, 20194382900]

約数ペア:

[(1, 20194382900), (2, 10097191450), (4, 5048595725), (5, 4038876580), (10, 2019438290), (20, 1009719145), (25, 807775316), (50, 403887658), (67, 301408700), (79, 255625100), (100, 201943829), (134, 150704350), (158, 127812550), (268, 75352175), (316, 63906275), (335, 60281740), (395, 51125020), (670, 30140870), (790, 25562510), (1340, 15070435), (1580, 12781255), (1675, 12056348), (1975, 10225004), (3350, 6028174), (3950, 5112502), (5293, 3815300), (6700, 3014087), (7900, 2556251), (10586, 1907650), (21172, 953825), (26465, 763060), (38153, 529300), (52930, 381530), (76306, 264650), (105860, 190765), (132325, 152612)]