201898180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4391}}^1$

素因数の和:4441

約数の個数: 72

約数和(自身を含む): 490674240

約数和(自身を除く): 288776060

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 2090, 2299, 2420, 4180, 4391, 4598, 8782, 9196, 11495, 17564, 21955, 22990, 43910, 45980, 48301, 83429, 87820, 96602, 166858, 193204, 241505, 333716, 417145, 483010, 531311, 834290, 917719, 966020, 1062622, 1668580, 1835438, 2125244, 2656555, 3670876, 4588595, 5313110, 9177190, 10094909, 10626220, 18354380, 20189818, 40379636, 50474545, 100949090, 201898180]

約数ペア:

[(1, 201898180), (2, 100949090), (4, 50474545), (5, 40379636), (10, 20189818), (11, 18354380), (19, 10626220), (20, 10094909), (22, 9177190), (38, 5313110), (44, 4588595), (55, 3670876), (76, 2656555), (95, 2125244), (110, 1835438), (121, 1668580), (190, 1062622), (209, 966020), (220, 917719), (242, 834290), (380, 531311), (418, 483010), (484, 417145), (605, 333716), (836, 241505), (1045, 193204), (1210, 166858), (2090, 96602), (2299, 87820), (2420, 83429), (4180, 48301), (4391, 45980), (4598, 43910), (8782, 22990), (9196, 21955), (11495, 17564)]