306586140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{104281}}^1$

素因数の和:104307

約数の個数: 72

約数和(自身を含む): 998604432

約数和(自身を除く): 692018292

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 104281, 208562, 312843, 417124, 521405, 625686, 729967, 1042810, 1251372, 1459934, 1564215, 2085620, 2189901, 2919868, 3128430, 3649835, 4379802, 5109769, 6256860, 7299670, 8759604, 10219538, 10949505, 14599340, 15329307, 20439076, 21899010, 25548845, 30658614, 43798020, 51097690, 61317228, 76646535, 102195380, 153293070, 306586140]

約数ペア:

[(1, 306586140), (2, 153293070), (3, 102195380), (4, 76646535), (5, 61317228), (6, 51097690), (7, 43798020), (10, 30658614), (12, 25548845), (14, 21899010), (15, 20439076), (20, 15329307), (21, 14599340), (28, 10949505), (30, 10219538), (35, 8759604), (42, 7299670), (49, 6256860), (60, 5109769), (70, 4379802), (84, 3649835), (98, 3128430), (105, 2919868), (140, 2189901), (147, 2085620), (196, 1564215), (210, 1459934), (245, 1251372), (294, 1042810), (420, 729967), (490, 625686), (588, 521405), (735, 417124), (980, 312843), (1470, 208562), (2940, 104281)]