1311671900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{170347}}^1$

素因数の和:170379

約数の個数: 72

約数和(自身を含む): 3548689536

約数和(自身を除く): 2237017636

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700, 170347, 340694, 681388, 851735, 1192429, 1703470, 1873817, 2384858, 3406940, 3747634, 4258675, 4769716, 5962145, 7495268, 8517350, 9369085, 11924290, 13116719, 17034700, 18738170, 23848580, 26233438, 29810725, 37476340, 46845425, 52466876, 59621450, 65583595, 93690850, 119242900, 131167190, 187381700, 262334380, 327917975, 655835950, 1311671900]

約数ペア:

[(1, 1311671900), (2, 655835950), (4, 327917975), (5, 262334380), (7, 187381700), (10, 131167190), (11, 119242900), (14, 93690850), (20, 65583595), (22, 59621450), (25, 52466876), (28, 46845425), (35, 37476340), (44, 29810725), (50, 26233438), (55, 23848580), (70, 18738170), (77, 17034700), (100, 13116719), (110, 11924290), (140, 9369085), (154, 8517350), (175, 7495268), (220, 5962145), (275, 4769716), (308, 4258675), (350, 3747634), (385, 3406940), (550, 2384858), (700, 1873817), (770, 1703470), (1100, 1192429), (1540, 851735), (1925, 681388), (3850, 340694), (7700, 170347)]