209426240

素因数分解:

$2^6\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1823}}^1$

素因数の和:2199

約数の個数: 56

約数和(自身を含む): 500359680

約数和(自身を除く): 290933440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 359, 718, 1436, 1795, 1823, 2872, 3590, 3646, 5744, 7180, 7292, 9115, 11488, 14360, 14584, 18230, 22976, 28720, 29168, 36460, 57440, 58336, 72920, 114880, 116672, 145840, 291680, 583360, 654457, 1308914, 2617828, 3272285, 5235656, 6544570, 10471312, 13089140, 20942624, 26178280, 41885248, 52356560, 104713120, 209426240]

約数ペア:

[(1, 209426240), (2, 104713120), (4, 52356560), (5, 41885248), (8, 26178280), (10, 20942624), (16, 13089140), (20, 10471312), (32, 6544570), (40, 5235656), (64, 3272285), (80, 2617828), (160, 1308914), (320, 654457), (359, 583360), (718, 291680), (1436, 145840), (1795, 116672), (1823, 114880), (2872, 72920), (3590, 58336), (3646, 57440), (5744, 36460), (7180, 29168), (7292, 28720), (9115, 22976), (11488, 18230), (14360, 14584)]