890308908

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:605

約数の個数: 120

約数和(自身を含む): 2393378064

約数和(自身を除く): 1503069156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 107, 108, 122, 162, 183, 214, 244, 321, 324, 366, 421, 428, 549, 642, 732, 842, 963, 1098, 1263, 1284, 1647, 1684, 1926, 2196, 2526, 2889, 3294, 3789, 3852, 4941, 5052, 5778, 6527, 6588, 7578, 8667, 9882, 11367, 11556, 13054, 15156, 17334, 19581, 19764, 22734, 25681, 26108, 34101, 34668, 39162, 45047, 45468, 51362, 58743, 68202, 77043, 78324, 90094, 102724, 117486, 135141, 136404, 154086, 176229, 180188, 231129, 234972, 270282, 308172, 352458, 405423, 462258, 528687, 540564, 693387, 704916, 810846, 924516, 1057374, 1216269, 1386774, 1621692, 2080161, 2114748, 2432538, 2747867, 2773548, 3648807, 4160322, 4865076, 5495734, 7297614, 8243601, 8320644, 10991468, 14595228, 16487202, 24730803, 32974404, 49461606, 74192409, 98923212, 148384818, 222577227, 296769636, 445154454, 890308908]

約数ペア:

[(1, 890308908), (2, 445154454), (3, 296769636), (4, 222577227), (6, 148384818), (9, 98923212), (12, 74192409), (18, 49461606), (27, 32974404), (36, 24730803), (54, 16487202), (61, 14595228), (81, 10991468), (107, 8320644), (108, 8243601), (122, 7297614), (162, 5495734), (183, 4865076), (214, 4160322), (244, 3648807), (321, 2773548), (324, 2747867), (366, 2432538), (421, 2114748), (428, 2080161), (549, 1621692), (642, 1386774), (732, 1216269), (842, 1057374), (963, 924516), (1098, 810846), (1263, 704916), (1284, 693387), (1647, 540564), (1684, 528687), (1926, 462258), (2196, 405423), (2526, 352458), (2889, 308172), (3294, 270282), (3789, 234972), (3852, 231129), (4941, 180188), (5052, 176229), (5778, 154086), (6527, 136404), (6588, 135141), (7578, 117486), (8667, 102724), (9882, 90094), (11367, 78324), (11556, 77043), (13054, 68202), (15156, 58743), (17334, 51362), (19581, 45468), (19764, 45047), (22734, 39162), (25681, 34668), (26108, 34101)]