2789730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 7338240

約数和(自身を除く): 4548510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 223, 278, 417, 446, 669, 695, 834, 1115, 1251, 1338, 1390, 2007, 2085, 2230, 2502, 3345, 4014, 4170, 6255, 6690, 10035, 12510, 20070, 30997, 61994, 92991, 154985, 185982, 278973, 309970, 464955, 557946, 929910, 1394865, 2789730]

約数ペア:

[(1, 2789730), (2, 1394865), (3, 929910), (5, 557946), (6, 464955), (9, 309970), (10, 278973), (15, 185982), (18, 154985), (30, 92991), (45, 61994), (90, 30997), (139, 20070), (223, 12510), (278, 10035), (417, 6690), (446, 6255), (669, 4170), (695, 4014), (834, 3345), (1115, 2502), (1251, 2230), (1338, 2085), (1390, 2007)]