488240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:389

約数の個数: 40

約数和(自身を含む): 1205280

約数和(自身を除く): 717040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 359, 680, 718, 1360, 1436, 1795, 2872, 3590, 5744, 6103, 7180, 12206, 14360, 24412, 28720, 30515, 48824, 61030, 97648, 122060, 244120, 488240]

約数ペア:

[(1, 488240), (2, 244120), (4, 122060), (5, 97648), (8, 61030), (10, 48824), (16, 30515), (17, 28720), (20, 24412), (34, 14360), (40, 12206), (68, 7180), (80, 6103), (85, 5744), (136, 3590), (170, 2872), (272, 1795), (340, 1436), (359, 1360), (680, 718)]