77882980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19183}}^1$

素因数の和:19228

約数の個数: 48

約数和(自身を含む): 193374720

約数和(自身を除く): 115491740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 19183, 38366, 76732, 95915, 134281, 191830, 268562, 383660, 537124, 556307, 671405, 1112614, 1342810, 2225228, 2685620, 2781535, 3894149, 5563070, 7788298, 11126140, 15576596, 19470745, 38941490, 77882980]

約数ペア:

[(1, 77882980), (2, 38941490), (4, 19470745), (5, 15576596), (7, 11126140), (10, 7788298), (14, 5563070), (20, 3894149), (28, 2781535), (29, 2685620), (35, 2225228), (58, 1342810), (70, 1112614), (116, 671405), (140, 556307), (145, 537124), (203, 383660), (290, 268562), (406, 191830), (580, 134281), (812, 95915), (1015, 76732), (2030, 38366), (4060, 19183)]