2021061490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:512

約数の個数: 128

約数和(自身を含む): 4554620928

約数和(自身を除く): 2533559438

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 43, 70, 85, 86, 119, 127, 170, 215, 238, 254, 301, 311, 430, 595, 602, 622, 635, 731, 889, 1190, 1270, 1462, 1505, 1555, 1778, 2159, 2177, 3010, 3110, 3655, 4318, 4354, 4445, 5117, 5287, 5461, 7310, 8890, 10234, 10574, 10795, 10885, 10922, 13373, 15113, 21590, 21770, 25585, 26435, 26746, 27305, 30226, 37009, 38227, 39497, 51170, 52870, 54610, 66865, 74018, 75565, 76454, 78994, 92837, 93611, 133730, 151130, 185045, 185674, 187222, 191135, 197485, 227341, 276479, 370090, 382270, 394970, 454682, 464185, 468055, 552958, 649859, 671449, 928370, 936110, 1136705, 1299718, 1342898, 1382395, 1591387, 1698371, 2273410, 2764790, 3182774, 3249295, 3357245, 3396742, 4700143, 6498590, 6714490, 7956935, 8491855, 9400286, 11888597, 15913870, 16983710, 23500715, 23777194, 28872307, 47001430, 57744614, 59442985, 118885970, 144361535, 202106149, 288723070, 404212298, 1010530745, 2021061490]

約数ペア:

[(1, 2021061490), (2, 1010530745), (5, 404212298), (7, 288723070), (10, 202106149), (14, 144361535), (17, 118885970), (34, 59442985), (35, 57744614), (43, 47001430), (70, 28872307), (85, 23777194), (86, 23500715), (119, 16983710), (127, 15913870), (170, 11888597), (215, 9400286), (238, 8491855), (254, 7956935), (301, 6714490), (311, 6498590), (430, 4700143), (595, 3396742), (602, 3357245), (622, 3249295), (635, 3182774), (731, 2764790), (889, 2273410), (1190, 1698371), (1270, 1591387), (1462, 1382395), (1505, 1342898), (1555, 1299718), (1778, 1136705), (2159, 936110), (2177, 928370), (3010, 671449), (3110, 649859), (3655, 552958), (4318, 468055), (4354, 464185), (4445, 454682), (5117, 394970), (5287, 382270), (5461, 370090), (7310, 276479), (8890, 227341), (10234, 197485), (10574, 191135), (10795, 187222), (10885, 185674), (10922, 185045), (13373, 151130), (15113, 133730), (21590, 93611), (21770, 92837), (25585, 78994), (26435, 76454), (26746, 75565), (27305, 74018), (30226, 66865), (37009, 54610), (38227, 52870), (39497, 51170)]