457424020

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{88993}}^1$

素因数の和:89259

約数の個数: 24

約数和(自身を含む): 964338984

約数和(自身を除く): 506914964

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 88993, 177986, 355972, 444965, 889930, 1779860, 22871201, 45742402, 91484804, 114356005, 228712010, 457424020]

約数ペア:

[(1, 457424020), (2, 228712010), (4, 114356005), (5, 91484804), (10, 45742402), (20, 22871201), (257, 1779860), (514, 889930), (1028, 444965), (1285, 355972), (2570, 177986), (5140, 88993)]