1439440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:979

約数の個数: 40

約数和(自身を含む): 3526560

約数和(自身を除く): 2087120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 947, 1520, 1894, 3788, 4735, 7576, 9470, 15152, 17993, 18940, 35986, 37880, 71972, 75760, 89965, 143944, 179930, 287888, 359860, 719720, 1439440]

約数ペア:

[(1, 1439440), (2, 719720), (4, 359860), (5, 287888), (8, 179930), (10, 143944), (16, 89965), (19, 75760), (20, 71972), (38, 37880), (40, 35986), (76, 18940), (80, 17993), (95, 15152), (152, 9470), (190, 7576), (304, 4735), (380, 3788), (760, 1894), (947, 1520)]