12394340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 29955072

約数和(自身を除く): 17560732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 397, 446, 794, 892, 1115, 1561, 1588, 1985, 2230, 2779, 3122, 3970, 4460, 5558, 6244, 7805, 7940, 11116, 13895, 15610, 27790, 31220, 55580, 88531, 177062, 354124, 442655, 619717, 885310, 1239434, 1770620, 2478868, 3098585, 6197170, 12394340]

約数ペア:

[(1, 12394340), (2, 6197170), (4, 3098585), (5, 2478868), (7, 1770620), (10, 1239434), (14, 885310), (20, 619717), (28, 442655), (35, 354124), (70, 177062), (140, 88531), (223, 55580), (397, 31220), (446, 27790), (794, 15610), (892, 13895), (1115, 11116), (1561, 7940), (1588, 7805), (1985, 6244), (2230, 5558), (2779, 4460), (3122, 3970)]