690454910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 1325030400

約数和(自身を除く): 634575490

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 145, 179, 235, 283, 290, 358, 470, 566, 895, 1363, 1415, 1790, 2726, 2830, 5191, 6815, 8207, 8413, 10382, 13301, 13630, 16414, 16826, 25955, 26602, 41035, 42065, 50657, 51910, 66505, 82070, 84130, 101314, 133010, 243977, 253285, 385729, 487954, 506570, 771458, 1219885, 1469053, 1928645, 2380879, 2439770, 2938106, 3857290, 4761758, 7345265, 11904395, 14690530, 23808790, 69045491, 138090982, 345227455, 690454910]

約数ペア:

[(1, 690454910), (2, 345227455), (5, 138090982), (10, 69045491), (29, 23808790), (47, 14690530), (58, 11904395), (94, 7345265), (145, 4761758), (179, 3857290), (235, 2938106), (283, 2439770), (290, 2380879), (358, 1928645), (470, 1469053), (566, 1219885), (895, 771458), (1363, 506570), (1415, 487954), (1790, 385729), (2726, 253285), (2830, 243977), (5191, 133010), (6815, 101314), (8207, 84130), (8413, 82070), (10382, 66505), (13301, 51910), (13630, 50657), (16414, 42065), (16826, 41035), (25955, 26602)]