248340540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{591287}}^1$

素因数の和:591306

約数の個数: 48

約数和(自身を含む): 794691072

約数和(自身を除く): 546350532

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, 591287, 1182574, 1773861, 2365148, 2956435, 3547722, 4139009, 5912870, 7095444, 8278018, 8869305, 11825740, 12417027, 16556036, 17738610, 20695045, 24834054, 35477220, 41390090, 49668108, 62085135, 82780180, 124170270, 248340540]

約数ペア:

[(1, 248340540), (2, 124170270), (3, 82780180), (4, 62085135), (5, 49668108), (6, 41390090), (7, 35477220), (10, 24834054), (12, 20695045), (14, 17738610), (15, 16556036), (20, 12417027), (21, 11825740), (28, 8869305), (30, 8278018), (35, 7095444), (42, 5912870), (60, 4139009), (70, 3547722), (84, 2956435), (105, 2365148), (140, 1773861), (210, 1182574), (420, 591287)]