389386620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{309037}}^1$

素因数の和:309059

約数の個数: 72

約数和(自身を含む): 1349877984

約数和(自身を除く): 960491364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 309037, 618074, 927111, 1236148, 1545185, 1854222, 2163259, 2781333, 3090370, 3708444, 4326518, 4635555, 5562666, 6180740, 6489777, 8653036, 9271110, 10816295, 11125332, 12979554, 13906665, 18542220, 19469331, 21632590, 25959108, 27813330, 32448885, 38938662, 43265180, 55626660, 64897770, 77877324, 97346655, 129795540, 194693310, 389386620]

約数ペア:

[(1, 389386620), (2, 194693310), (3, 129795540), (4, 97346655), (5, 77877324), (6, 64897770), (7, 55626660), (9, 43265180), (10, 38938662), (12, 32448885), (14, 27813330), (15, 25959108), (18, 21632590), (20, 19469331), (21, 18542220), (28, 13906665), (30, 12979554), (35, 11125332), (36, 10816295), (42, 9271110), (45, 8653036), (60, 6489777), (63, 6180740), (70, 5562666), (84, 4635555), (90, 4326518), (105, 3708444), (126, 3090370), (140, 2781333), (180, 2163259), (210, 1854222), (252, 1545185), (315, 1236148), (420, 927111), (630, 618074), (1260, 309037)]