989243420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{577}}^1\times {\mathrm{7793}}^1$

素因数の和:8390

約数の個数: 48

約数和(自身を含む): 2270485728

約数和(自身を除く): 1281242308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 577, 1154, 2308, 2885, 5770, 6347, 7793, 11540, 12694, 15586, 25388, 31172, 31735, 38965, 63470, 77930, 85723, 126940, 155860, 171446, 342892, 428615, 857230, 1714460, 4496561, 8993122, 17986244, 22482805, 44965610, 49462171, 89931220, 98924342, 197848684, 247310855, 494621710, 989243420]

約数ペア:

[(1, 989243420), (2, 494621710), (4, 247310855), (5, 197848684), (10, 98924342), (11, 89931220), (20, 49462171), (22, 44965610), (44, 22482805), (55, 17986244), (110, 8993122), (220, 4496561), (577, 1714460), (1154, 857230), (2308, 428615), (2885, 342892), (5770, 171446), (6347, 155860), (7793, 126940), (11540, 85723), (12694, 77930), (15586, 63470), (25388, 38965), (31172, 31735)]