66243500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^2\times {\mathrm{367}}^1$

素因数の和:424

約数の個数: 72

約数和(自身を含む): 153107136

約数和(自身を除く): 86863636

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 361, 367, 380, 475, 500, 722, 734, 950, 1444, 1468, 1805, 1835, 1900, 2375, 3610, 3670, 4750, 6973, 7220, 7340, 9025, 9175, 9500, 13946, 18050, 18350, 27892, 34865, 36100, 36700, 45125, 45875, 69730, 90250, 91750, 132487, 139460, 174325, 180500, 183500, 264974, 348650, 529948, 662435, 697300, 871625, 1324870, 1743250, 2649740, 3312175, 3486500, 6624350, 13248700, 16560875, 33121750, 66243500]

約数ペア:

[(1, 66243500), (2, 33121750), (4, 16560875), (5, 13248700), (10, 6624350), (19, 3486500), (20, 3312175), (25, 2649740), (38, 1743250), (50, 1324870), (76, 871625), (95, 697300), (100, 662435), (125, 529948), (190, 348650), (250, 264974), (361, 183500), (367, 180500), (380, 174325), (475, 139460), (500, 132487), (722, 91750), (734, 90250), (950, 69730), (1444, 45875), (1468, 45125), (1805, 36700), (1835, 36100), (1900, 34865), (2375, 27892), (3610, 18350), (3670, 18050), (4750, 13946), (6973, 9500), (7220, 9175), (7340, 9025)]