28888930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 66484800

約数和(自身を除く): 37595870

約数列:

[1, 2, 5, 7, 10, 14, 19, 29, 35, 38, 49, 58, 70, 95, 98, 107, 133, 145, 190, 203, 214, 245, 266, 290, 406, 490, 535, 551, 665, 749, 931, 1015, 1070, 1102, 1330, 1421, 1498, 1862, 2030, 2033, 2755, 2842, 3103, 3745, 3857, 4066, 4655, 5243, 5510, 6206, 7105, 7490, 7714, 9310, 10165, 10486, 14210, 14231, 15515, 19285, 20330, 21721, 26215, 26999, 28462, 31030, 38570, 43442, 52430, 53998, 58957, 71155, 99617, 108605, 117914, 134995, 142310, 152047, 199234, 217210, 269990, 294785, 304094, 412699, 498085, 589570, 760235, 825398, 996170, 1520470, 2063495, 2888893, 4126990, 5777786, 14444465, 28888930]

約数ペア:

[(1, 28888930), (2, 14444465), (5, 5777786), (7, 4126990), (10, 2888893), (14, 2063495), (19, 1520470), (29, 996170), (35, 825398), (38, 760235), (49, 589570), (58, 498085), (70, 412699), (95, 304094), (98, 294785), (107, 269990), (133, 217210), (145, 199234), (190, 152047), (203, 142310), (214, 134995), (245, 117914), (266, 108605), (290, 99617), (406, 71155), (490, 58957), (535, 53998), (551, 52430), (665, 43442), (749, 38570), (931, 31030), (1015, 28462), (1070, 26999), (1102, 26215), (1330, 21721), (1421, 20330), (1498, 19285), (1862, 15515), (2030, 14231), (2033, 14210), (2755, 10486), (2842, 10165), (3103, 9310), (3745, 7714), (3857, 7490), (4066, 7105), (4655, 6206), (5243, 5510)]