245478400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:296

約数の個数: 132

約数和(自身を含む): 625432192

約数和(自身を除く): 379953792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 128, 160, 172, 200, 215, 223, 256, 320, 344, 400, 430, 446, 512, 640, 688, 800, 860, 892, 1024, 1075, 1115, 1280, 1376, 1600, 1720, 1784, 2150, 2230, 2560, 2752, 3200, 3440, 3568, 4300, 4460, 5120, 5504, 5575, 6400, 6880, 7136, 8600, 8920, 9589, 11008, 11150, 12800, 13760, 14272, 17200, 17840, 19178, 22016, 22300, 25600, 27520, 28544, 34400, 35680, 38356, 44032, 44600, 47945, 55040, 57088, 68800, 71360, 76712, 89200, 95890, 110080, 114176, 137600, 142720, 153424, 178400, 191780, 220160, 228352, 239725, 275200, 285440, 306848, 356800, 383560, 479450, 550400, 570880, 613696, 713600, 767120, 958900, 1100800, 1141760, 1227392, 1427200, 1534240, 1917800, 2454784, 2854400, 3068480, 3835600, 4909568, 5708800, 6136960, 7671200, 9819136, 12273920, 15342400, 24547840, 30684800, 49095680, 61369600, 122739200, 245478400]

約数ペア:

[(1, 245478400), (2, 122739200), (4, 61369600), (5, 49095680), (8, 30684800), (10, 24547840), (16, 15342400), (20, 12273920), (25, 9819136), (32, 7671200), (40, 6136960), (43, 5708800), (50, 4909568), (64, 3835600), (80, 3068480), (86, 2854400), (100, 2454784), (128, 1917800), (160, 1534240), (172, 1427200), (200, 1227392), (215, 1141760), (223, 1100800), (256, 958900), (320, 767120), (344, 713600), (400, 613696), (430, 570880), (446, 550400), (512, 479450), (640, 383560), (688, 356800), (800, 306848), (860, 285440), (892, 275200), (1024, 239725), (1075, 228352), (1115, 220160), (1280, 191780), (1376, 178400), (1600, 153424), (1720, 142720), (1784, 137600), (2150, 114176), (2230, 110080), (2560, 95890), (2752, 89200), (3200, 76712), (3440, 71360), (3568, 68800), (4300, 57088), (4460, 55040), (5120, 47945), (5504, 44600), (5575, 44032), (6400, 38356), (6880, 35680), (7136, 34400), (8600, 28544), (8920, 27520), (9589, 25600), (11008, 22300), (11150, 22016), (12800, 19178), (13760, 17840), (14272, 17200)]