400198860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2239}}^1$

素因数の和:2588

約数の個数: 96

約数和(自身を含む): 1249382400

約数和(自身を除く): 849183540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 331, 540, 662, 993, 1324, 1655, 1986, 2239, 2979, 3310, 3972, 4478, 4965, 5958, 6620, 6717, 8937, 8956, 9930, 11195, 11916, 13434, 14895, 17874, 19860, 20151, 22390, 26868, 29790, 33585, 35748, 40302, 44685, 44780, 59580, 60453, 67170, 80604, 89370, 100755, 120906, 134340, 178740, 201510, 241812, 302265, 403020, 604530, 741109, 1209060, 1482218, 2223327, 2964436, 3705545, 4446654, 6669981, 7411090, 8893308, 11116635, 13339962, 14822180, 20009943, 22233270, 26679924, 33349905, 40019886, 44466540, 66699810, 80039772, 100049715, 133399620, 200099430, 400198860]

約数ペア:

[(1, 400198860), (2, 200099430), (3, 133399620), (4, 100049715), (5, 80039772), (6, 66699810), (9, 44466540), (10, 40019886), (12, 33349905), (15, 26679924), (18, 22233270), (20, 20009943), (27, 14822180), (30, 13339962), (36, 11116635), (45, 8893308), (54, 7411090), (60, 6669981), (90, 4446654), (108, 3705545), (135, 2964436), (180, 2223327), (270, 1482218), (331, 1209060), (540, 741109), (662, 604530), (993, 403020), (1324, 302265), (1655, 241812), (1986, 201510), (2239, 178740), (2979, 134340), (3310, 120906), (3972, 100755), (4478, 89370), (4965, 80604), (5958, 67170), (6620, 60453), (6717, 59580), (8937, 44780), (8956, 44685), (9930, 40302), (11195, 35748), (11916, 33585), (13434, 29790), (14895, 26868), (17874, 22390), (19860, 20151)]