439890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 64

約数和(自身を含む): 1216512

約数和(自身を除く): 776622

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 43, 55, 62, 66, 86, 93, 110, 129, 155, 165, 186, 215, 258, 310, 330, 341, 430, 465, 473, 645, 682, 930, 946, 1023, 1290, 1333, 1419, 1705, 2046, 2365, 2666, 2838, 3410, 3999, 4730, 5115, 6665, 7095, 7998, 10230, 13330, 14190, 14663, 19995, 29326, 39990, 43989, 73315, 87978, 146630, 219945, 439890]

約数ペア:

[(1, 439890), (2, 219945), (3, 146630), (5, 87978), (6, 73315), (10, 43989), (11, 39990), (15, 29326), (22, 19995), (30, 14663), (31, 14190), (33, 13330), (43, 10230), (55, 7998), (62, 7095), (66, 6665), (86, 5115), (93, 4730), (110, 3999), (129, 3410), (155, 2838), (165, 2666), (186, 2365), (215, 2046), (258, 1705), (310, 1419), (330, 1333), (341, 1290), (430, 1023), (465, 946), (473, 930), (645, 682)]