13578730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 28771200

約数和(自身を除く): 15192470

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 73, 89, 95, 110, 146, 178, 190, 209, 365, 418, 445, 730, 803, 890, 979, 1045, 1387, 1606, 1691, 1958, 2090, 2774, 3382, 4015, 4895, 6497, 6935, 8030, 8455, 9790, 12994, 13870, 15257, 16910, 18601, 30514, 32485, 37202, 64970, 71467, 76285, 93005, 123443, 142934, 152570, 186010, 246886, 357335, 617215, 714670, 1234430, 1357873, 2715746, 6789365, 13578730]

約数ペア:

[(1, 13578730), (2, 6789365), (5, 2715746), (10, 1357873), (11, 1234430), (19, 714670), (22, 617215), (38, 357335), (55, 246886), (73, 186010), (89, 152570), (95, 142934), (110, 123443), (146, 93005), (178, 76285), (190, 71467), (209, 64970), (365, 37202), (418, 32485), (445, 30514), (730, 18601), (803, 16910), (890, 15257), (979, 13870), (1045, 12994), (1387, 9790), (1606, 8455), (1691, 8030), (1958, 6935), (2090, 6497), (2774, 4895), (3382, 4015)]