7886920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^2$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 18478260

約数和(自身を除く): 10591340

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 73, 74, 146, 148, 185, 292, 296, 365, 370, 584, 730, 740, 1460, 1480, 2701, 2920, 5329, 5402, 10658, 10804, 13505, 21316, 21608, 26645, 27010, 42632, 53290, 54020, 106580, 108040, 197173, 213160, 394346, 788692, 985865, 1577384, 1971730, 3943460, 7886920]

約数ペア:

[(1, 7886920), (2, 3943460), (4, 1971730), (5, 1577384), (8, 985865), (10, 788692), (20, 394346), (37, 213160), (40, 197173), (73, 108040), (74, 106580), (146, 54020), (148, 53290), (185, 42632), (292, 27010), (296, 26645), (365, 21608), (370, 21316), (584, 13505), (730, 10804), (740, 10658), (1460, 5402), (1480, 5329), (2701, 2920)]