53991900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{19997}}^1$

素因数の和:20020

約数の個数: 72

約数和(自身を含む): 173582640

約数和(自身を除く): 119590740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 19997, 39994, 59991, 79988, 99985, 119982, 179973, 199970, 239964, 299955, 359946, 399940, 499925, 539919, 599910, 719892, 899865, 999850, 1079838, 1199820, 1499775, 1799730, 1999700, 2159676, 2699595, 2999550, 3599460, 4499325, 5399190, 5999100, 8998650, 10798380, 13497975, 17997300, 26995950, 53991900]

約数ペア:

[(1, 53991900), (2, 26995950), (3, 17997300), (4, 13497975), (5, 10798380), (6, 8998650), (9, 5999100), (10, 5399190), (12, 4499325), (15, 3599460), (18, 2999550), (20, 2699595), (25, 2159676), (27, 1999700), (30, 1799730), (36, 1499775), (45, 1199820), (50, 1079838), (54, 999850), (60, 899865), (75, 719892), (90, 599910), (100, 539919), (108, 499925), (135, 399940), (150, 359946), (180, 299955), (225, 239964), (270, 199970), (300, 179973), (450, 119982), (540, 99985), (675, 79988), (900, 59991), (1350, 39994), (2700, 19997)]