278364460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{283}}^1$

素因数の和:583

約数の個数: 96

約数和(自身を含む): 680182272

約数和(自身を除く): 401817812

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 263, 283, 340, 374, 526, 566, 748, 935, 1052, 1132, 1315, 1415, 1870, 2630, 2830, 2893, 3113, 3740, 4471, 4811, 5260, 5660, 5786, 6226, 8942, 9622, 11572, 12452, 14465, 15565, 17884, 19244, 22355, 24055, 28930, 31130, 44710, 48110, 49181, 52921, 57860, 62260, 74429, 89420, 96220, 98362, 105842, 148858, 196724, 211684, 245905, 264605, 297716, 372145, 491810, 529210, 744290, 818719, 983620, 1058420, 1265293, 1488580, 1637438, 2530586, 3274876, 4093595, 5061172, 6326465, 8187190, 12652930, 13918223, 16374380, 25305860, 27836446, 55672892, 69591115, 139182230, 278364460]

約数ペア:

[(1, 278364460), (2, 139182230), (4, 69591115), (5, 55672892), (10, 27836446), (11, 25305860), (17, 16374380), (20, 13918223), (22, 12652930), (34, 8187190), (44, 6326465), (55, 5061172), (68, 4093595), (85, 3274876), (110, 2530586), (170, 1637438), (187, 1488580), (220, 1265293), (263, 1058420), (283, 983620), (340, 818719), (374, 744290), (526, 529210), (566, 491810), (748, 372145), (935, 297716), (1052, 264605), (1132, 245905), (1315, 211684), (1415, 196724), (1870, 148858), (2630, 105842), (2830, 98362), (2893, 96220), (3113, 89420), (3740, 74429), (4471, 62260), (4811, 57860), (5260, 52921), (5660, 49181), (5786, 48110), (6226, 44710), (8942, 31130), (9622, 28930), (11572, 24055), (12452, 22355), (14465, 19244), (15565, 17884)]