28985670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:490

約数の個数: 96

約数和(自身を含む): 87010560

約数和(自身を除く): 58024890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 139, 210, 278, 315, 331, 417, 630, 662, 695, 834, 973, 993, 1251, 1390, 1655, 1946, 1986, 2085, 2317, 2502, 2919, 2979, 3310, 4170, 4634, 4865, 4965, 5838, 5958, 6255, 6951, 8757, 9730, 9930, 11585, 12510, 13902, 14595, 14895, 17514, 20853, 23170, 29190, 29790, 34755, 41706, 43785, 46009, 69510, 87570, 92018, 104265, 138027, 208530, 230045, 276054, 322063, 414081, 460090, 644126, 690135, 828162, 966189, 1380270, 1610315, 1932378, 2070405, 2898567, 3220630, 4140810, 4830945, 5797134, 9661890, 14492835, 28985670]

約数ペア:

[(1, 28985670), (2, 14492835), (3, 9661890), (5, 5797134), (6, 4830945), (7, 4140810), (9, 3220630), (10, 2898567), (14, 2070405), (15, 1932378), (18, 1610315), (21, 1380270), (30, 966189), (35, 828162), (42, 690135), (45, 644126), (63, 460090), (70, 414081), (90, 322063), (105, 276054), (126, 230045), (139, 208530), (210, 138027), (278, 104265), (315, 92018), (331, 87570), (417, 69510), (630, 46009), (662, 43785), (695, 41706), (834, 34755), (973, 29790), (993, 29190), (1251, 23170), (1390, 20853), (1655, 17514), (1946, 14895), (1986, 14595), (2085, 13902), (2317, 12510), (2502, 11585), (2919, 9930), (2979, 9730), (3310, 8757), (4170, 6951), (4634, 6255), (4865, 5958), (4965, 5838)]