2728180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1499}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 7056000

約数和(自身を除く): 4327820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1499, 1820, 2998, 5996, 7495, 10493, 14990, 19487, 20986, 29980, 38974, 41972, 52465, 77948, 97435, 104930, 136409, 194870, 209860, 272818, 389740, 545636, 682045, 1364090, 2728180]

約数ペア:

[(1, 2728180), (2, 1364090), (4, 682045), (5, 545636), (7, 389740), (10, 272818), (13, 209860), (14, 194870), (20, 136409), (26, 104930), (28, 97435), (35, 77948), (52, 52465), (65, 41972), (70, 38974), (91, 29980), (130, 20986), (140, 19487), (182, 14990), (260, 10493), (364, 7495), (455, 5996), (910, 2998), (1499, 1820)]