168989380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 424569600

約数和(自身を除く): 255580220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 107, 116, 140, 145, 203, 214, 290, 389, 406, 428, 535, 580, 749, 778, 812, 1015, 1070, 1498, 1556, 1945, 2030, 2140, 2723, 2996, 3103, 3745, 3890, 4060, 5446, 6206, 7490, 7780, 10892, 11281, 12412, 13615, 14980, 15515, 21721, 22562, 27230, 31030, 41623, 43442, 45124, 54460, 56405, 62060, 78967, 83246, 86884, 108605, 112810, 157934, 166492, 208115, 217210, 225620, 291361, 315868, 394835, 416230, 434420, 582722, 789670, 832460, 1165444, 1207067, 1456805, 1579340, 2414134, 2913610, 4828268, 5827220, 6035335, 8449469, 12070670, 16898938, 24141340, 33797876, 42247345, 84494690, 168989380]

約数ペア:

[(1, 168989380), (2, 84494690), (4, 42247345), (5, 33797876), (7, 24141340), (10, 16898938), (14, 12070670), (20, 8449469), (28, 6035335), (29, 5827220), (35, 4828268), (58, 2913610), (70, 2414134), (107, 1579340), (116, 1456805), (140, 1207067), (145, 1165444), (203, 832460), (214, 789670), (290, 582722), (389, 434420), (406, 416230), (428, 394835), (535, 315868), (580, 291361), (749, 225620), (778, 217210), (812, 208115), (1015, 166492), (1070, 157934), (1498, 112810), (1556, 108605), (1945, 86884), (2030, 83246), (2140, 78967), (2723, 62060), (2996, 56405), (3103, 54460), (3745, 45124), (3890, 43442), (4060, 41623), (5446, 31030), (6206, 27230), (7490, 22562), (7780, 21721), (10892, 15515), (11281, 14980), (12412, 13615)]