2021781580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{8747}}^1$

素因数の和:8903

約数の個数: 96

約数和(自身を含む): 5267275776

約数和(自身を除く): 3245494196

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 127, 130, 140, 182, 254, 260, 364, 455, 508, 635, 889, 910, 1270, 1651, 1778, 1820, 2540, 3302, 3556, 4445, 6604, 8255, 8747, 8890, 11557, 16510, 17494, 17780, 23114, 33020, 34988, 43735, 46228, 57785, 61229, 87470, 113711, 115570, 122458, 174940, 227422, 231140, 244916, 306145, 454844, 568555, 612290, 795977, 1110869, 1137110, 1224580, 1591954, 2221738, 2274220, 3183908, 3979885, 4443476, 5554345, 7776083, 7959770, 11108690, 14441297, 15552166, 15919540, 22217380, 28882594, 31104332, 38880415, 57765188, 72206485, 77760830, 101089079, 144412970, 155521660, 202178158, 288825940, 404356316, 505445395, 1010890790, 2021781580]

約数ペア:

[(1, 2021781580), (2, 1010890790), (4, 505445395), (5, 404356316), (7, 288825940), (10, 202178158), (13, 155521660), (14, 144412970), (20, 101089079), (26, 77760830), (28, 72206485), (35, 57765188), (52, 38880415), (65, 31104332), (70, 28882594), (91, 22217380), (127, 15919540), (130, 15552166), (140, 14441297), (182, 11108690), (254, 7959770), (260, 7776083), (364, 5554345), (455, 4443476), (508, 3979885), (635, 3183908), (889, 2274220), (910, 2221738), (1270, 1591954), (1651, 1224580), (1778, 1137110), (1820, 1110869), (2540, 795977), (3302, 612290), (3556, 568555), (4445, 454844), (6604, 306145), (8255, 244916), (8747, 231140), (8890, 227422), (11557, 174940), (16510, 122458), (17494, 115570), (17780, 113711), (23114, 87470), (33020, 61229), (34988, 57785), (43735, 46228)]