1941020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 4353888

約数和(自身を除く): 2412868

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 61, 74, 86, 122, 148, 172, 185, 215, 244, 305, 370, 430, 610, 740, 860, 1220, 1591, 2257, 2623, 3182, 4514, 5246, 6364, 7955, 9028, 10492, 11285, 13115, 15910, 22570, 26230, 31820, 45140, 52460, 97051, 194102, 388204, 485255, 970510, 1941020]

約数ペア:

[(1, 1941020), (2, 970510), (4, 485255), (5, 388204), (10, 194102), (20, 97051), (37, 52460), (43, 45140), (61, 31820), (74, 26230), (86, 22570), (122, 15910), (148, 13115), (172, 11285), (185, 10492), (215, 9028), (244, 7955), (305, 6364), (370, 5246), (430, 4514), (610, 3182), (740, 2623), (860, 2257), (1220, 1591)]