418728660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{996973}}^1$

素因数の和:996992

約数の個数: 48

約数和(自身を含む): 1339933056

約数和(自身を除く): 921204396

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, 996973, 1993946, 2990919, 3987892, 4984865, 5981838, 6978811, 9969730, 11963676, 13957622, 14954595, 19939460, 20936433, 27915244, 29909190, 34894055, 41872866, 59818380, 69788110, 83745732, 104682165, 139576220, 209364330, 418728660]

約数ペア:

[(1, 418728660), (2, 209364330), (3, 139576220), (4, 104682165), (5, 83745732), (6, 69788110), (7, 59818380), (10, 41872866), (12, 34894055), (14, 29909190), (15, 27915244), (20, 20936433), (21, 19939460), (28, 14954595), (30, 13957622), (35, 11963676), (42, 9969730), (60, 6978811), (70, 5981838), (84, 4984865), (105, 3987892), (140, 2990919), (210, 1993946), (420, 996973)]