42742420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17959}}^1$

素因数の和:17992

約数の個数: 48

約数和(自身を含む): 108622080

約数和(自身を除く): 65879660

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 17959, 35918, 71836, 89795, 125713, 179590, 251426, 305303, 359180, 502852, 610606, 628565, 1221212, 1257130, 1526515, 2137121, 2514260, 3053030, 4274242, 6106060, 8548484, 10685605, 21371210, 42742420]

約数ペア:

[(1, 42742420), (2, 21371210), (4, 10685605), (5, 8548484), (7, 6106060), (10, 4274242), (14, 3053030), (17, 2514260), (20, 2137121), (28, 1526515), (34, 1257130), (35, 1221212), (68, 628565), (70, 610606), (85, 502852), (119, 359180), (140, 305303), (170, 251426), (238, 179590), (340, 125713), (476, 89795), (595, 71836), (1190, 35918), (2380, 17959)]