397272564

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 1130088960

約数和(自身を除く): 732816396

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 139, 156, 186, 197, 234, 278, 279, 372, 394, 403, 417, 468, 556, 558, 591, 788, 806, 834, 1116, 1182, 1209, 1251, 1612, 1668, 1773, 1807, 2364, 2418, 2502, 2561, 3546, 3614, 3627, 4309, 4836, 5004, 5122, 5421, 6107, 7092, 7228, 7254, 7683, 8618, 10244, 10842, 12214, 12927, 14508, 15366, 16263, 17236, 18321, 21684, 23049, 24428, 25854, 27383, 30732, 32526, 36642, 38781, 46098, 51708, 54766, 54963, 56017, 65052, 73284, 77562, 79391, 82149, 92196, 109532, 109926, 112034, 155124, 158782, 164298, 168051, 219852, 224068, 238173, 246447, 317564, 328596, 336102, 355979, 476346, 492894, 504153, 672204, 711958, 714519, 848873, 952692, 985788, 1008306, 1067937, 1423916, 1429038, 1697746, 2016612, 2135874, 2546619, 2858076, 3203811, 3395492, 4271748, 5093238, 6407622, 7639857, 10186476, 11035349, 12815244, 15279714, 22070698, 30559428, 33106047, 44141396, 66212094, 99318141, 132424188, 198636282, 397272564]

約数ペア:

[(1, 397272564), (2, 198636282), (3, 132424188), (4, 99318141), (6, 66212094), (9, 44141396), (12, 33106047), (13, 30559428), (18, 22070698), (26, 15279714), (31, 12815244), (36, 11035349), (39, 10186476), (52, 7639857), (62, 6407622), (78, 5093238), (93, 4271748), (117, 3395492), (124, 3203811), (139, 2858076), (156, 2546619), (186, 2135874), (197, 2016612), (234, 1697746), (278, 1429038), (279, 1423916), (372, 1067937), (394, 1008306), (403, 985788), (417, 952692), (468, 848873), (556, 714519), (558, 711958), (591, 672204), (788, 504153), (806, 492894), (834, 476346), (1116, 355979), (1182, 336102), (1209, 328596), (1251, 317564), (1612, 246447), (1668, 238173), (1773, 224068), (1807, 219852), (2364, 168051), (2418, 164298), (2502, 158782), (2561, 155124), (3546, 112034), (3614, 109926), (3627, 109532), (4309, 92196), (4836, 82149), (5004, 79391), (5122, 77562), (5421, 73284), (6107, 65052), (7092, 56017), (7228, 54963), (7254, 54766), (7683, 51708), (8618, 46098), (10244, 38781), (10842, 36642), (12214, 32526), (12927, 30732), (14508, 27383), (15366, 25854), (16263, 24428), (17236, 23049), (18321, 21684)]