990147145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 1352070720

約数和(自身を除く): 361923575

約数列:

[1, 5, 13, 29, 59, 65, 145, 295, 307, 377, 767, 841, 1535, 1711, 1885, 3835, 3991, 4205, 8555, 8903, 10933, 18113, 19955, 22243, 44515, 49619, 54665, 90565, 111215, 115739, 235469, 248095, 258187, 525277, 578695, 645047, 1177345, 1290935, 2626385, 3225235, 3356431, 6828601, 15233033, 16782155, 34143005, 76165165, 198029429, 990147145]

約数ペア:

[(1, 990147145), (5, 198029429), (13, 76165165), (29, 34143005), (59, 16782155), (65, 15233033), (145, 6828601), (295, 3356431), (307, 3225235), (377, 2626385), (767, 1290935), (841, 1177345), (1535, 645047), (1711, 578695), (1885, 525277), (3835, 258187), (3991, 248095), (4205, 235469), (8555, 115739), (8903, 111215), (10933, 90565), (18113, 54665), (19955, 49619), (22243, 44515)]