408048639140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1\times {\mathrm{17359}}^1$

素因数の和:17901

約数の個数: 96

約数和(自身を含む): 903152194560

約数和(自身を除く): 495103555420

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 137, 230, 274, 373, 460, 548, 685, 746, 1370, 1492, 1865, 2740, 3151, 3730, 6302, 7460, 8579, 12604, 15755, 17158, 17359, 31510, 34316, 34718, 42895, 51101, 63020, 69436, 85790, 86795, 102202, 171580, 173590, 204404, 255505, 347180, 399257, 511010, 798514, 1022020, 1175323, 1597028, 1996285, 2350646, 2378183, 3992570, 4701292, 4756366, 5876615, 6474907, 7985140, 9512732, 11753230, 11890915, 12949814, 23506460, 23781830, 25899628, 32374535, 47563660, 54698209, 64749070, 109396418, 129498140, 148922861, 218792836, 273491045, 297845722, 546982090, 595691444, 744614305, 887062259, 1093964180, 1489228610, 1774124518, 2978457220, 3548249036, 4435311295, 8870622590, 17741245180, 20402431957, 40804863914, 81609727828, 102012159785, 204024319570, 408048639140]

約数ペア:

[(1, 408048639140), (2, 204024319570), (4, 102012159785), (5, 81609727828), (10, 40804863914), (20, 20402431957), (23, 17741245180), (46, 8870622590), (92, 4435311295), (115, 3548249036), (137, 2978457220), (230, 1774124518), (274, 1489228610), (373, 1093964180), (460, 887062259), (548, 744614305), (685, 595691444), (746, 546982090), (1370, 297845722), (1492, 273491045), (1865, 218792836), (2740, 148922861), (3151, 129498140), (3730, 109396418), (6302, 64749070), (7460, 54698209), (8579, 47563660), (12604, 32374535), (15755, 25899628), (17158, 23781830), (17359, 23506460), (31510, 12949814), (34316, 11890915), (34718, 11753230), (42895, 9512732), (51101, 7985140), (63020, 6474907), (69436, 5876615), (85790, 4756366), (86795, 4701292), (102202, 3992570), (171580, 2378183), (173590, 2350646), (204404, 1996285), (255505, 1597028), (347180, 1175323), (399257, 1022020), (511010, 798514)]