318389600

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:649

約数の個数: 144

約数和(自身を含む): 844539696

約数和(自身を除く): 526150096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 41, 50, 68, 80, 82, 85, 100, 136, 160, 164, 170, 200, 205, 272, 328, 340, 400, 410, 425, 544, 571, 656, 680, 697, 800, 820, 850, 1025, 1142, 1312, 1360, 1394, 1640, 1700, 2050, 2284, 2720, 2788, 2855, 3280, 3400, 3485, 4100, 4568, 5576, 5710, 6560, 6800, 6970, 8200, 9136, 9707, 11152, 11420, 13600, 13940, 14275, 16400, 17425, 18272, 19414, 22304, 22840, 23411, 27880, 28550, 32800, 34850, 38828, 45680, 46822, 48535, 55760, 57100, 69700, 77656, 91360, 93644, 97070, 111520, 114200, 117055, 139400, 155312, 187288, 194140, 228400, 234110, 242675, 278800, 310624, 374576, 388280, 397987, 456800, 468220, 485350, 557600, 585275, 749152, 776560, 795974, 936440, 970700, 1170550, 1553120, 1591948, 1872880, 1941400, 1989935, 2341100, 3183896, 3745760, 3882800, 3979870, 4682200, 6367792, 7765600, 7959740, 9364400, 9949675, 12735584, 15919480, 18728800, 19899350, 31838960, 39798700, 63677920, 79597400, 159194800, 318389600]

約数ペア:

[(1, 318389600), (2, 159194800), (4, 79597400), (5, 63677920), (8, 39798700), (10, 31838960), (16, 19899350), (17, 18728800), (20, 15919480), (25, 12735584), (32, 9949675), (34, 9364400), (40, 7959740), (41, 7765600), (50, 6367792), (68, 4682200), (80, 3979870), (82, 3882800), (85, 3745760), (100, 3183896), (136, 2341100), (160, 1989935), (164, 1941400), (170, 1872880), (200, 1591948), (205, 1553120), (272, 1170550), (328, 970700), (340, 936440), (400, 795974), (410, 776560), (425, 749152), (544, 585275), (571, 557600), (656, 485350), (680, 468220), (697, 456800), (800, 397987), (820, 388280), (850, 374576), (1025, 310624), (1142, 278800), (1312, 242675), (1360, 234110), (1394, 228400), (1640, 194140), (1700, 187288), (2050, 155312), (2284, 139400), (2720, 117055), (2788, 114200), (2855, 111520), (3280, 97070), (3400, 93644), (3485, 91360), (4100, 77656), (4568, 69700), (5576, 57100), (5710, 55760), (6560, 48535), (6800, 46822), (6970, 45680), (8200, 38828), (9136, 34850), (9707, 32800), (11152, 28550), (11420, 27880), (13600, 23411), (13940, 22840), (14275, 22304), (16400, 19414), (17425, 18272)]