99972400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{22721}}^1$

素因数の和:22750

約数の個数: 60

約数和(自身を含む): 262030104

約数和(自身を除く): 162057704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 22721, 45442, 90884, 113605, 181768, 227210, 249931, 363536, 454420, 499862, 568025, 908840, 999724, 1136050, 1249655, 1817680, 1999448, 2272100, 2499310, 3998896, 4544200, 4998620, 6248275, 9088400, 9997240, 12496550, 19994480, 24993100, 49986200, 99972400]

約数ペア:

[(1, 99972400), (2, 49986200), (4, 24993100), (5, 19994480), (8, 12496550), (10, 9997240), (11, 9088400), (16, 6248275), (20, 4998620), (22, 4544200), (25, 3998896), (40, 2499310), (44, 2272100), (50, 1999448), (55, 1817680), (80, 1249655), (88, 1136050), (100, 999724), (110, 908840), (176, 568025), (200, 499862), (220, 454420), (275, 363536), (400, 249931), (440, 227210), (550, 181768), (880, 113605), (1100, 90884), (2200, 45442), (4400, 22721)]