17889550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 38568960

約数和(自身を除く): 20679410

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 79, 158, 175, 350, 395, 553, 647, 790, 1106, 1294, 1975, 2765, 3235, 3950, 4529, 5530, 6470, 9058, 13825, 16175, 22645, 27650, 32350, 45290, 51113, 102226, 113225, 226450, 255565, 357791, 511130, 715582, 1277825, 1788955, 2555650, 3577910, 8944775, 17889550]

約数ペア:

[(1, 17889550), (2, 8944775), (5, 3577910), (7, 2555650), (10, 1788955), (14, 1277825), (25, 715582), (35, 511130), (50, 357791), (70, 255565), (79, 226450), (158, 113225), (175, 102226), (350, 51113), (395, 45290), (553, 32350), (647, 27650), (790, 22645), (1106, 16175), (1294, 13825), (1975, 9058), (2765, 6470), (3235, 5530), (3950, 4529)]