205285374

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 549964800

約数和(自身を除く): 344679426

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 61, 63, 87, 122, 126, 174, 183, 189, 203, 261, 307, 366, 378, 406, 427, 522, 549, 609, 614, 783, 854, 921, 1098, 1218, 1281, 1566, 1647, 1769, 1827, 1842, 2149, 2562, 2763, 3294, 3538, 3654, 3843, 4298, 5307, 5481, 5526, 6447, 7686, 8289, 8903, 10614, 10962, 11529, 12383, 12894, 15921, 16578, 17806, 18727, 19341, 23058, 24766, 26709, 31842, 37149, 37454, 38682, 47763, 53418, 56181, 58023, 62321, 74298, 80127, 95526, 111447, 112362, 116046, 124642, 131089, 160254, 168543, 186963, 222894, 240381, 262178, 334341, 337086, 373926, 393267, 480762, 505629, 543083, 560889, 668682, 786534, 1011258, 1086166, 1121778, 1179801, 1629249, 1682667, 2359602, 3258498, 3365334, 3539403, 3801581, 4887747, 7078806, 7603162, 9775494, 11404743, 14663241, 22809486, 29326482, 34214229, 68428458, 102642687, 205285374]

約数ペア:

[(1, 205285374), (2, 102642687), (3, 68428458), (6, 34214229), (7, 29326482), (9, 22809486), (14, 14663241), (18, 11404743), (21, 9775494), (27, 7603162), (29, 7078806), (42, 4887747), (54, 3801581), (58, 3539403), (61, 3365334), (63, 3258498), (87, 2359602), (122, 1682667), (126, 1629249), (174, 1179801), (183, 1121778), (189, 1086166), (203, 1011258), (261, 786534), (307, 668682), (366, 560889), (378, 543083), (406, 505629), (427, 480762), (522, 393267), (549, 373926), (609, 337086), (614, 334341), (783, 262178), (854, 240381), (921, 222894), (1098, 186963), (1218, 168543), (1281, 160254), (1566, 131089), (1647, 124642), (1769, 116046), (1827, 112362), (1842, 111447), (2149, 95526), (2562, 80127), (2763, 74298), (3294, 62321), (3538, 58023), (3654, 56181), (3843, 53418), (4298, 47763), (5307, 38682), (5481, 37454), (5526, 37149), (6447, 31842), (7686, 26709), (8289, 24766), (8903, 23058), (10614, 19341), (10962, 18727), (11529, 17806), (12383, 16578), (12894, 15921)]