28385490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 128

約数和(自身を含む): 82944000

約数和(自身を除く): 54558510

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 59, 70, 79, 87, 105, 118, 145, 158, 174, 177, 203, 210, 237, 290, 295, 354, 395, 406, 413, 435, 474, 553, 590, 609, 790, 826, 870, 885, 1015, 1106, 1185, 1218, 1239, 1659, 1711, 1770, 2030, 2065, 2291, 2370, 2478, 2765, 3045, 3318, 3422, 4130, 4582, 4661, 5133, 5530, 6090, 6195, 6873, 8295, 8555, 9322, 10266, 11455, 11977, 12390, 13746, 13983, 16037, 16590, 17110, 22910, 23305, 23954, 25665, 27966, 32074, 32627, 34365, 35931, 46610, 48111, 51330, 59885, 65254, 68730, 69915, 71862, 80185, 96222, 97881, 119770, 135169, 139830, 160370, 163135, 179655, 195762, 240555, 270338, 326270, 359310, 405507, 481110, 489405, 675845, 811014, 946183, 978810, 1351690, 1892366, 2027535, 2838549, 4055070, 4730915, 5677098, 9461830, 14192745, 28385490]

約数ペア:

[(1, 28385490), (2, 14192745), (3, 9461830), (5, 5677098), (6, 4730915), (7, 4055070), (10, 2838549), (14, 2027535), (15, 1892366), (21, 1351690), (29, 978810), (30, 946183), (35, 811014), (42, 675845), (58, 489405), (59, 481110), (70, 405507), (79, 359310), (87, 326270), (105, 270338), (118, 240555), (145, 195762), (158, 179655), (174, 163135), (177, 160370), (203, 139830), (210, 135169), (237, 119770), (290, 97881), (295, 96222), (354, 80185), (395, 71862), (406, 69915), (413, 68730), (435, 65254), (474, 59885), (553, 51330), (590, 48111), (609, 46610), (790, 35931), (826, 34365), (870, 32627), (885, 32074), (1015, 27966), (1106, 25665), (1185, 23954), (1218, 23305), (1239, 22910), (1659, 17110), (1711, 16590), (1770, 16037), (2030, 13983), (2065, 13746), (2291, 12390), (2370, 11977), (2478, 11455), (2765, 10266), (3045, 9322), (3318, 8555), (3422, 8295), (4130, 6873), (4582, 6195), (4661, 6090), (5133, 5530)]