19541200

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{997}}^1$

素因数の和:1029

約数の個数: 90

約数和(自身を含む): 54667446

約数和(自身を除く): 35126246

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 997, 1225, 1400, 1960, 1994, 2450, 2800, 3920, 3988, 4900, 4985, 6979, 7976, 9800, 9970, 13958, 15952, 19600, 19940, 24925, 27916, 34895, 39880, 48853, 49850, 55832, 69790, 79760, 97706, 99700, 111664, 139580, 174475, 195412, 199400, 244265, 279160, 348950, 390824, 398800, 488530, 558320, 697900, 781648, 977060, 1221325, 1395800, 1954120, 2442650, 2791600, 3908240, 4885300, 9770600, 19541200]

約数ペア:

[(1, 19541200), (2, 9770600), (4, 4885300), (5, 3908240), (7, 2791600), (8, 2442650), (10, 1954120), (14, 1395800), (16, 1221325), (20, 977060), (25, 781648), (28, 697900), (35, 558320), (40, 488530), (49, 398800), (50, 390824), (56, 348950), (70, 279160), (80, 244265), (98, 199400), (100, 195412), (112, 174475), (140, 139580), (175, 111664), (196, 99700), (200, 97706), (245, 79760), (280, 69790), (350, 55832), (392, 49850), (400, 48853), (490, 39880), (560, 34895), (700, 27916), (784, 24925), (980, 19940), (997, 19600), (1225, 15952), (1400, 13958), (1960, 9970), (1994, 9800), (2450, 7976), (2800, 6979), (3920, 4985), (3988, 4900)]