28663600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:407

約数の個数: 120

約数和(自身を含む): 81646560

約数和(自身を除く): 52982960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 35, 40, 50, 56, 58, 70, 80, 100, 112, 116, 140, 145, 175, 200, 203, 232, 280, 290, 350, 353, 400, 406, 464, 560, 580, 700, 706, 725, 812, 1015, 1160, 1400, 1412, 1450, 1624, 1765, 2030, 2320, 2471, 2800, 2824, 2900, 3248, 3530, 4060, 4942, 5075, 5648, 5800, 7060, 8120, 8825, 9884, 10150, 10237, 11600, 12355, 14120, 16240, 17650, 19768, 20300, 20474, 24710, 28240, 35300, 39536, 40600, 40948, 49420, 51185, 61775, 70600, 71659, 81200, 81896, 98840, 102370, 123550, 141200, 143318, 163792, 197680, 204740, 247100, 255925, 286636, 358295, 409480, 494200, 511850, 573272, 716590, 818960, 988400, 1023700, 1146544, 1433180, 1791475, 2047400, 2866360, 3582950, 4094800, 5732720, 7165900, 14331800, 28663600]

約数ペア:

[(1, 28663600), (2, 14331800), (4, 7165900), (5, 5732720), (7, 4094800), (8, 3582950), (10, 2866360), (14, 2047400), (16, 1791475), (20, 1433180), (25, 1146544), (28, 1023700), (29, 988400), (35, 818960), (40, 716590), (50, 573272), (56, 511850), (58, 494200), (70, 409480), (80, 358295), (100, 286636), (112, 255925), (116, 247100), (140, 204740), (145, 197680), (175, 163792), (200, 143318), (203, 141200), (232, 123550), (280, 102370), (290, 98840), (350, 81896), (353, 81200), (400, 71659), (406, 70600), (464, 61775), (560, 51185), (580, 49420), (700, 40948), (706, 40600), (725, 39536), (812, 35300), (1015, 28240), (1160, 24710), (1400, 20474), (1412, 20300), (1450, 19768), (1624, 17650), (1765, 16240), (2030, 14120), (2320, 12355), (2471, 11600), (2800, 10237), (2824, 10150), (2900, 9884), (3248, 8825), (3530, 8120), (4060, 7060), (4942, 5800), (5075, 5648)]