664290440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{25589}}^1$

素因数の和:25670

約数の個数: 64

約数和(自身を含む): 1658232000

約数和(自身を除く): 993941560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1180, 1298, 2360, 2596, 3245, 5192, 6490, 12980, 25589, 25960, 51178, 102356, 127945, 204712, 255890, 281479, 511780, 562958, 1023560, 1125916, 1407395, 1509751, 2251832, 2814790, 3019502, 5629580, 6039004, 7548755, 11259160, 12078008, 15097510, 16607261, 30195020, 33214522, 60390040, 66429044, 83036305, 132858088, 166072610, 332145220, 664290440]

約数ペア:

[(1, 664290440), (2, 332145220), (4, 166072610), (5, 132858088), (8, 83036305), (10, 66429044), (11, 60390040), (20, 33214522), (22, 30195020), (40, 16607261), (44, 15097510), (55, 12078008), (59, 11259160), (88, 7548755), (110, 6039004), (118, 5629580), (220, 3019502), (236, 2814790), (295, 2251832), (440, 1509751), (472, 1407395), (590, 1125916), (649, 1023560), (1180, 562958), (1298, 511780), (2360, 281479), (2596, 255890), (3245, 204712), (5192, 127945), (6490, 102356), (12980, 51178), (25589, 25960)]