290700578

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^3\times {\mathrm{41}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 558544896

約数和(自身を除く): 267844318

約数列:

[1, 2, 7, 14, 17, 31, 34, 41, 62, 82, 119, 217, 238, 287, 434, 527, 574, 697, 961, 1054, 1271, 1394, 1922, 2542, 3689, 4879, 6727, 7378, 8897, 9758, 13454, 16337, 17794, 21607, 29791, 32674, 39401, 43214, 59582, 78802, 114359, 151249, 208537, 228718, 275807, 302498, 417074, 506447, 551614, 669817, 1012894, 1221431, 1339634, 2442862, 3545129, 4688719, 7090258, 8550017, 9377438, 17100034, 20764327, 41528654, 145350289, 290700578]

約数ペア:

[(1, 290700578), (2, 145350289), (7, 41528654), (14, 20764327), (17, 17100034), (31, 9377438), (34, 8550017), (41, 7090258), (62, 4688719), (82, 3545129), (119, 2442862), (217, 1339634), (238, 1221431), (287, 1012894), (434, 669817), (527, 551614), (574, 506447), (697, 417074), (961, 302498), (1054, 275807), (1271, 228718), (1394, 208537), (1922, 151249), (2542, 114359), (3689, 78802), (4879, 59582), (6727, 43214), (7378, 39401), (8897, 32674), (9758, 29791), (13454, 21607), (16337, 17794)]