28900340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12143}}^1$

素因数の和:12176

約数の個数: 48

約数和(自身を含む): 73446912

約数和(自身を除く): 44546572

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 12143, 24286, 48572, 60715, 85001, 121430, 170002, 206431, 242860, 340004, 412862, 425005, 825724, 850010, 1032155, 1445017, 1700020, 2064310, 2890034, 4128620, 5780068, 7225085, 14450170, 28900340]

約数ペア:

[(1, 28900340), (2, 14450170), (4, 7225085), (5, 5780068), (7, 4128620), (10, 2890034), (14, 2064310), (17, 1700020), (20, 1445017), (28, 1032155), (34, 850010), (35, 825724), (68, 425005), (70, 412862), (85, 340004), (119, 242860), (140, 206431), (170, 170002), (238, 121430), (340, 85001), (476, 60715), (595, 48572), (1190, 24286), (2380, 12143)]