308936240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227159}}^1$

素因数の和:227189

約数の個数: 40

約数和(自身を含む): 760531680

約数和(自身を除く): 451595440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 227159, 454318, 908636, 1135795, 1817272, 2271590, 3634544, 3861703, 4543180, 7723406, 9086360, 15446812, 18172720, 19308515, 30893624, 38617030, 61787248, 77234060, 154468120, 308936240]

約数ペア:

[(1, 308936240), (2, 154468120), (4, 77234060), (5, 61787248), (8, 38617030), (10, 30893624), (16, 19308515), (17, 18172720), (20, 15446812), (34, 9086360), (40, 7723406), (68, 4543180), (80, 3861703), (85, 3634544), (136, 2271590), (170, 1817272), (272, 1135795), (340, 908636), (680, 454318), (1360, 227159)]