420838400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{17}}^1\times {\mathrm{967}}^1$

素因数の和:1014

約数の個数: 132

約数和(自身を含む): 1105674768

約数和(自身を除く): 684836368

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 256, 272, 320, 340, 400, 425, 512, 544, 640, 680, 800, 850, 967, 1024, 1088, 1280, 1360, 1600, 1700, 1934, 2176, 2560, 2720, 3200, 3400, 3868, 4352, 4835, 5120, 5440, 6400, 6800, 7736, 8704, 9670, 10880, 12800, 13600, 15472, 16439, 17408, 19340, 21760, 24175, 25600, 27200, 30944, 32878, 38680, 43520, 48350, 54400, 61888, 65756, 77360, 82195, 87040, 96700, 108800, 123776, 131512, 154720, 164390, 193400, 217600, 247552, 263024, 309440, 328780, 386800, 410975, 435200, 495104, 526048, 618880, 657560, 773600, 821950, 990208, 1052096, 1237760, 1315120, 1547200, 1643900, 2104192, 2475520, 2630240, 3094400, 3287800, 4208384, 4951040, 5260480, 6188800, 6575600, 8416768, 10520960, 12377600, 13151200, 16833536, 21041920, 24755200, 26302400, 42083840, 52604800, 84167680, 105209600, 210419200, 420838400]

約数ペア:

[(1, 420838400), (2, 210419200), (4, 105209600), (5, 84167680), (8, 52604800), (10, 42083840), (16, 26302400), (17, 24755200), (20, 21041920), (25, 16833536), (32, 13151200), (34, 12377600), (40, 10520960), (50, 8416768), (64, 6575600), (68, 6188800), (80, 5260480), (85, 4951040), (100, 4208384), (128, 3287800), (136, 3094400), (160, 2630240), (170, 2475520), (200, 2104192), (256, 1643900), (272, 1547200), (320, 1315120), (340, 1237760), (400, 1052096), (425, 990208), (512, 821950), (544, 773600), (640, 657560), (680, 618880), (800, 526048), (850, 495104), (967, 435200), (1024, 410975), (1088, 386800), (1280, 328780), (1360, 309440), (1600, 263024), (1700, 247552), (1934, 217600), (2176, 193400), (2560, 164390), (2720, 154720), (3200, 131512), (3400, 123776), (3868, 108800), (4352, 96700), (4835, 87040), (5120, 82195), (5440, 77360), (6400, 65756), (6800, 61888), (7736, 54400), (8704, 48350), (9670, 43520), (10880, 38680), (12800, 32878), (13600, 30944), (15472, 27200), (16439, 25600), (17408, 24175), (19340, 21760)]