123077900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2729}}^1$

素因数の和:2795

約数の個数: 72

約数和(自身を含む): 298574640

約数和(自身を除く): 175496740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 451, 550, 820, 902, 1025, 1100, 1804, 2050, 2255, 2729, 4100, 4510, 5458, 9020, 10916, 11275, 13645, 22550, 27290, 30019, 45100, 54580, 60038, 68225, 111889, 120076, 136450, 150095, 223778, 272900, 300190, 447556, 559445, 600380, 750475, 1118890, 1230779, 1500950, 2237780, 2461558, 2797225, 3001900, 4923116, 5594450, 6153895, 11188900, 12307790, 24615580, 30769475, 61538950, 123077900]

約数ペア:

[(1, 123077900), (2, 61538950), (4, 30769475), (5, 24615580), (10, 12307790), (11, 11188900), (20, 6153895), (22, 5594450), (25, 4923116), (41, 3001900), (44, 2797225), (50, 2461558), (55, 2237780), (82, 1500950), (100, 1230779), (110, 1118890), (164, 750475), (205, 600380), (220, 559445), (275, 447556), (410, 300190), (451, 272900), (550, 223778), (820, 150095), (902, 136450), (1025, 120076), (1100, 111889), (1804, 68225), (2050, 60038), (2255, 54580), (2729, 45100), (4100, 30019), (4510, 27290), (5458, 22550), (9020, 13645), (10916, 11275)]