64507450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2333}}^1$

素因数の和:2431

約数の個数: 48

約数和(自身を含む): 138919680

約数和(自身を除く): 74412230

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 79, 158, 175, 350, 395, 553, 790, 1106, 1975, 2333, 2765, 3950, 4666, 5530, 11665, 13825, 16331, 23330, 27650, 32662, 58325, 81655, 116650, 163310, 184307, 368614, 408275, 816550, 921535, 1290149, 1843070, 2580298, 4607675, 6450745, 9215350, 12901490, 32253725, 64507450]

約数ペア:

[(1, 64507450), (2, 32253725), (5, 12901490), (7, 9215350), (10, 6450745), (14, 4607675), (25, 2580298), (35, 1843070), (50, 1290149), (70, 921535), (79, 816550), (158, 408275), (175, 368614), (350, 184307), (395, 163310), (553, 116650), (790, 81655), (1106, 58325), (1975, 32662), (2333, 27650), (2765, 23330), (3950, 16331), (4666, 13825), (5530, 11665)]