280991230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{7229}}^1$

素因数の和:7285

約数の個数: 48

約数和(自身を含む): 571574880

約数和(自身を除く): 290583650

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 169, 230, 299, 338, 598, 845, 1495, 1690, 2990, 3887, 7229, 7774, 14458, 19435, 36145, 38870, 72290, 93977, 166267, 187954, 332534, 469885, 831335, 939770, 1221701, 1662670, 2161471, 2443402, 4322942, 6108505, 10807355, 12217010, 21614710, 28099123, 56198246, 140495615, 280991230]

約数ペア:

[(1, 280991230), (2, 140495615), (5, 56198246), (10, 28099123), (13, 21614710), (23, 12217010), (26, 10807355), (46, 6108505), (65, 4322942), (115, 2443402), (130, 2161471), (169, 1662670), (230, 1221701), (299, 939770), (338, 831335), (598, 469885), (845, 332534), (1495, 187954), (1690, 166267), (2990, 93977), (3887, 72290), (7229, 38870), (7774, 36145), (14458, 19435)]