309039780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{735809}}^1$

素因数の和:735828

約数の個数: 48

約数和(自身を含む): 988928640

約数和(自身を除く): 679888860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 735809, 1471618, 2207427, 2943236, 3679045, 4414854, 5150663, 7358090, 8829708, 10301326, 11037135, 14716180, 15451989, 20602652, 22074270, 25753315, 30903978, 44148540, 51506630, 61807956, 77259945, 103013260, 154519890, 309039780]

約数ペア:

[(1, 309039780), (2, 154519890), (3, 103013260), (4, 77259945), (5, 61807956), (6, 51506630), (7, 44148540), (10, 30903978), (12, 25753315), (14, 22074270), (15, 20602652), (20, 15451989), (21, 14716180), (28, 11037135), (30, 10301326), (35, 8829708), (42, 7358090), (60, 5150663), (70, 4414854), (84, 3679045), (105, 2943236), (140, 2207427), (210, 1471618), (420, 735809)]