42840490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:148

約数の個数: 128

約数和(自身を含む): 104509440

約数和(自身を除く): 61668950

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 41, 46, 55, 59, 70, 77, 82, 110, 115, 118, 154, 161, 205, 230, 253, 287, 295, 322, 385, 410, 413, 451, 506, 574, 590, 649, 770, 805, 826, 902, 943, 1265, 1298, 1357, 1435, 1610, 1771, 1886, 2065, 2255, 2419, 2530, 2714, 2870, 3157, 3245, 3542, 4130, 4510, 4543, 4715, 4838, 6314, 6490, 6601, 6785, 8855, 9086, 9430, 9499, 10373, 12095, 13202, 13570, 14927, 15785, 16933, 17710, 18998, 20746, 22715, 24190, 26609, 29854, 31570, 33005, 33866, 45430, 47495, 51865, 53218, 55637, 66010, 72611, 74635, 84665, 94990, 103730, 104489, 111274, 133045, 145222, 149270, 169330, 186263, 208978, 266090, 278185, 363055, 372526, 389459, 522445, 556370, 612007, 726110, 778918, 931315, 1044890, 1224014, 1862630, 1947295, 3060035, 3894590, 4284049, 6120070, 8568098, 21420245, 42840490]

約数ペア:

[(1, 42840490), (2, 21420245), (5, 8568098), (7, 6120070), (10, 4284049), (11, 3894590), (14, 3060035), (22, 1947295), (23, 1862630), (35, 1224014), (41, 1044890), (46, 931315), (55, 778918), (59, 726110), (70, 612007), (77, 556370), (82, 522445), (110, 389459), (115, 372526), (118, 363055), (154, 278185), (161, 266090), (205, 208978), (230, 186263), (253, 169330), (287, 149270), (295, 145222), (322, 133045), (385, 111274), (410, 104489), (413, 103730), (451, 94990), (506, 84665), (574, 74635), (590, 72611), (649, 66010), (770, 55637), (805, 53218), (826, 51865), (902, 47495), (943, 45430), (1265, 33866), (1298, 33005), (1357, 31570), (1435, 29854), (1610, 26609), (1771, 24190), (1886, 22715), (2065, 20746), (2255, 18998), (2419, 17710), (2530, 16933), (2714, 15785), (2870, 14927), (3157, 13570), (3245, 13202), (3542, 12095), (4130, 10373), (4510, 9499), (4543, 9430), (4715, 9086), (4838, 8855), (6314, 6785), (6490, 6601)]