66845800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 190836000

約数和(自身を除く): 123990200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 70, 76, 95, 98, 100, 133, 140, 152, 175, 190, 196, 200, 245, 266, 280, 350, 359, 380, 392, 475, 490, 532, 665, 700, 718, 760, 931, 950, 980, 1064, 1225, 1330, 1400, 1436, 1795, 1862, 1900, 1960, 2450, 2513, 2660, 2872, 3325, 3590, 3724, 3800, 4655, 4900, 5026, 5320, 6650, 6821, 7180, 7448, 8975, 9310, 9800, 10052, 12565, 13300, 13642, 14360, 17591, 17950, 18620, 20104, 23275, 25130, 26600, 27284, 34105, 35182, 35900, 37240, 46550, 47747, 50260, 54568, 62825, 68210, 70364, 71800, 87955, 93100, 95494, 100520, 125650, 136420, 140728, 170525, 175910, 186200, 190988, 238735, 251300, 272840, 334229, 341050, 351820, 381976, 439775, 477470, 502600, 668458, 682100, 703640, 879550, 954940, 1193675, 1336916, 1364200, 1671145, 1759100, 1909880, 2387350, 2673832, 3342290, 3518200, 4774700, 6684580, 8355725, 9549400, 13369160, 16711450, 33422900, 66845800]

約数ペア:

[(1, 66845800), (2, 33422900), (4, 16711450), (5, 13369160), (7, 9549400), (8, 8355725), (10, 6684580), (14, 4774700), (19, 3518200), (20, 3342290), (25, 2673832), (28, 2387350), (35, 1909880), (38, 1759100), (40, 1671145), (49, 1364200), (50, 1336916), (56, 1193675), (70, 954940), (76, 879550), (95, 703640), (98, 682100), (100, 668458), (133, 502600), (140, 477470), (152, 439775), (175, 381976), (190, 351820), (196, 341050), (200, 334229), (245, 272840), (266, 251300), (280, 238735), (350, 190988), (359, 186200), (380, 175910), (392, 170525), (475, 140728), (490, 136420), (532, 125650), (665, 100520), (700, 95494), (718, 93100), (760, 87955), (931, 71800), (950, 70364), (980, 68210), (1064, 62825), (1225, 54568), (1330, 50260), (1400, 47747), (1436, 46550), (1795, 37240), (1862, 35900), (1900, 35182), (1960, 34105), (2450, 27284), (2513, 26600), (2660, 25130), (2872, 23275), (3325, 20104), (3590, 18620), (3724, 17950), (3800, 17591), (4655, 14360), (4900, 13642), (5026, 13300), (5320, 12565), (6650, 10052), (6821, 9800), (7180, 9310), (7448, 8975)]