420270340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3001931}}^1$

素因数の和:3001947

約数の個数: 24

約数和(自身を含む): 1008649152

約数和(自身を除く): 588378812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3001931, 6003862, 12007724, 15009655, 21013517, 30019310, 42027034, 60038620, 84054068, 105067585, 210135170, 420270340]

約数ペア:

[(1, 420270340), (2, 210135170), (4, 105067585), (5, 84054068), (7, 60038620), (10, 42027034), (14, 30019310), (20, 21013517), (28, 15009655), (35, 12007724), (70, 6003862), (140, 3001931)]