890508710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:478

約数の個数: 128

約数和(自身を含む): 2079350784

約数和(自身を除く): 1188842074

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 157, 161, 182, 230, 271, 299, 314, 322, 455, 542, 598, 785, 805, 910, 1099, 1355, 1495, 1570, 1610, 1897, 2041, 2093, 2198, 2710, 2990, 3523, 3611, 3794, 4082, 4186, 5495, 6233, 7046, 7222, 9485, 10205, 10465, 10990, 12466, 14287, 17615, 18055, 18970, 20410, 20930, 24661, 25277, 28574, 31165, 35230, 36110, 42547, 43631, 46943, 49322, 50554, 62330, 71435, 81029, 85094, 87262, 93886, 123305, 126385, 142870, 162058, 212735, 218155, 234715, 246610, 252770, 297829, 328601, 405145, 425470, 436310, 469430, 553111, 567203, 595658, 657202, 810290, 978581, 1106222, 1134406, 1489145, 1643005, 1957162, 2765555, 2836015, 2978290, 3286010, 3871777, 4892905, 5531110, 5672030, 6850067, 7743554, 9785810, 12721553, 13700134, 19358885, 25443106, 34250335, 38717770, 63607765, 68500670, 89050871, 127215530, 178101742, 445254355, 890508710]

約数ペア:

[(1, 890508710), (2, 445254355), (5, 178101742), (7, 127215530), (10, 89050871), (13, 68500670), (14, 63607765), (23, 38717770), (26, 34250335), (35, 25443106), (46, 19358885), (65, 13700134), (70, 12721553), (91, 9785810), (115, 7743554), (130, 6850067), (157, 5672030), (161, 5531110), (182, 4892905), (230, 3871777), (271, 3286010), (299, 2978290), (314, 2836015), (322, 2765555), (455, 1957162), (542, 1643005), (598, 1489145), (785, 1134406), (805, 1106222), (910, 978581), (1099, 810290), (1355, 657202), (1495, 595658), (1570, 567203), (1610, 553111), (1897, 469430), (2041, 436310), (2093, 425470), (2198, 405145), (2710, 328601), (2990, 297829), (3523, 252770), (3611, 246610), (3794, 234715), (4082, 218155), (4186, 212735), (5495, 162058), (6233, 142870), (7046, 126385), (7222, 123305), (9485, 93886), (10205, 87262), (10465, 85094), (10990, 81029), (12466, 71435), (14287, 62330), (17615, 50554), (18055, 49322), (18970, 46943), (20410, 43631), (20930, 42547), (24661, 36110), (25277, 35230), (28574, 31165)]