854420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 2177280

約数和(自身を除く): 1322860

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 359, 476, 595, 718, 1190, 1436, 1795, 2380, 2513, 3590, 5026, 6103, 7180, 10052, 12206, 12565, 24412, 25130, 30515, 42721, 50260, 61030, 85442, 122060, 170884, 213605, 427210, 854420]

約数ペア:

[(1, 854420), (2, 427210), (4, 213605), (5, 170884), (7, 122060), (10, 85442), (14, 61030), (17, 50260), (20, 42721), (28, 30515), (34, 25130), (35, 24412), (68, 12565), (70, 12206), (85, 10052), (119, 7180), (140, 6103), (170, 5026), (238, 3590), (340, 2513), (359, 2380), (476, 1795), (595, 1436), (718, 1190)]