442945100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 1108262400

約数和(自身を除く): 665317300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 79, 95, 100, 130, 158, 190, 227, 247, 260, 316, 325, 380, 395, 454, 475, 494, 650, 790, 908, 950, 988, 1027, 1135, 1235, 1300, 1501, 1580, 1900, 1975, 2054, 2270, 2470, 2951, 3002, 3950, 4108, 4313, 4540, 4940, 5135, 5675, 5902, 6004, 6175, 7505, 7900, 8626, 10270, 11350, 11804, 12350, 14755, 15010, 17252, 17933, 19513, 20540, 21565, 22700, 24700, 25675, 29510, 30020, 35866, 37525, 39026, 43130, 51350, 56069, 59020, 71732, 73775, 75050, 78052, 86260, 89665, 97565, 102700, 107825, 112138, 147550, 150100, 179330, 195130, 215650, 224276, 233129, 280345, 295100, 340727, 358660, 390260, 431300, 448325, 466258, 487825, 560690, 681454, 896650, 932516, 975650, 1121380, 1165645, 1362908, 1401725, 1703635, 1793300, 1951300, 2331290, 2803450, 3407270, 4429451, 4662580, 5606900, 5828225, 6814540, 8518175, 8858902, 11656450, 17036350, 17717804, 22147255, 23312900, 34072700, 44294510, 88589020, 110736275, 221472550, 442945100]

約数ペア:

[(1, 442945100), (2, 221472550), (4, 110736275), (5, 88589020), (10, 44294510), (13, 34072700), (19, 23312900), (20, 22147255), (25, 17717804), (26, 17036350), (38, 11656450), (50, 8858902), (52, 8518175), (65, 6814540), (76, 5828225), (79, 5606900), (95, 4662580), (100, 4429451), (130, 3407270), (158, 2803450), (190, 2331290), (227, 1951300), (247, 1793300), (260, 1703635), (316, 1401725), (325, 1362908), (380, 1165645), (395, 1121380), (454, 975650), (475, 932516), (494, 896650), (650, 681454), (790, 560690), (908, 487825), (950, 466258), (988, 448325), (1027, 431300), (1135, 390260), (1235, 358660), (1300, 340727), (1501, 295100), (1580, 280345), (1900, 233129), (1975, 224276), (2054, 215650), (2270, 195130), (2470, 179330), (2951, 150100), (3002, 147550), (3950, 112138), (4108, 107825), (4313, 102700), (4540, 97565), (4940, 89665), (5135, 86260), (5675, 78052), (5902, 75050), (6004, 73775), (6175, 71732), (7505, 59020), (7900, 56069), (8626, 51350), (10270, 43130), (11350, 39026), (11804, 37525), (12350, 35866), (14755, 30020), (15010, 29510), (17252, 25675), (17933, 24700), (19513, 22700), (20540, 21565)]