729156980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{2069}}^1$

素因数の和:2408

約数の個数: 48

約数和(自身を含む): 1560746880

約数和(自身を除く): 831589900

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 263, 268, 335, 526, 670, 1052, 1315, 1340, 2069, 2630, 4138, 5260, 8276, 10345, 17621, 20690, 35242, 41380, 70484, 88105, 138623, 176210, 277246, 352420, 544147, 554492, 693115, 1088294, 1386230, 2176588, 2720735, 2772460, 5441470, 10882940, 36457849, 72915698, 145831396, 182289245, 364578490, 729156980]

約数ペア:

[(1, 729156980), (2, 364578490), (4, 182289245), (5, 145831396), (10, 72915698), (20, 36457849), (67, 10882940), (134, 5441470), (263, 2772460), (268, 2720735), (335, 2176588), (526, 1386230), (670, 1088294), (1052, 693115), (1315, 554492), (1340, 544147), (2069, 352420), (2630, 277246), (4138, 176210), (5260, 138623), (8276, 88105), (10345, 70484), (17621, 41380), (20690, 35242)]