388236800

素因数分解:

$2^9\times 5^2\times 7^2\times {\mathrm{619}}^1$

素因数の和:661

約数の個数: 180

約数和(自身を含む): 1120737420

約数和(自身を除く): 732500620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 256, 280, 320, 350, 392, 400, 448, 490, 512, 560, 619, 640, 700, 784, 800, 896, 980, 1120, 1225, 1238, 1280, 1400, 1568, 1600, 1792, 1960, 2240, 2450, 2476, 2560, 2800, 3095, 3136, 3200, 3584, 3920, 4333, 4480, 4900, 4952, 5600, 6190, 6272, 6400, 7840, 8666, 8960, 9800, 9904, 11200, 12380, 12544, 12800, 15475, 15680, 17332, 17920, 19600, 19808, 21665, 22400, 24760, 25088, 30331, 30950, 31360, 34664, 39200, 39616, 43330, 44800, 49520, 60662, 61900, 62720, 69328, 78400, 79232, 86660, 89600, 99040, 108325, 121324, 123800, 125440, 138656, 151655, 156800, 158464, 173320, 198080, 216650, 242648, 247600, 277312, 303310, 313600, 316928, 346640, 396160, 433300, 485296, 495200, 554624, 606620, 627200, 693280, 758275, 792320, 866600, 970592, 990400, 1109248, 1213240, 1386560, 1516550, 1584640, 1733200, 1941184, 1980800, 2218496, 2426480, 2773120, 3033100, 3466400, 3882368, 3961600, 4852960, 5546240, 6066200, 6932800, 7764736, 7923200, 9705920, 11092480, 12132400, 13865600, 15529472, 19411840, 24264800, 27731200, 38823680, 48529600, 55462400, 77647360, 97059200, 194118400, 388236800]

約数ペア:

[(1, 388236800), (2, 194118400), (4, 97059200), (5, 77647360), (7, 55462400), (8, 48529600), (10, 38823680), (14, 27731200), (16, 24264800), (20, 19411840), (25, 15529472), (28, 13865600), (32, 12132400), (35, 11092480), (40, 9705920), (49, 7923200), (50, 7764736), (56, 6932800), (64, 6066200), (70, 5546240), (80, 4852960), (98, 3961600), (100, 3882368), (112, 3466400), (128, 3033100), (140, 2773120), (160, 2426480), (175, 2218496), (196, 1980800), (200, 1941184), (224, 1733200), (245, 1584640), (256, 1516550), (280, 1386560), (320, 1213240), (350, 1109248), (392, 990400), (400, 970592), (448, 866600), (490, 792320), (512, 758275), (560, 693280), (619, 627200), (640, 606620), (700, 554624), (784, 495200), (800, 485296), (896, 433300), (980, 396160), (1120, 346640), (1225, 316928), (1238, 313600), (1280, 303310), (1400, 277312), (1568, 247600), (1600, 242648), (1792, 216650), (1960, 198080), (2240, 173320), (2450, 158464), (2476, 156800), (2560, 151655), (2800, 138656), (3095, 125440), (3136, 123800), (3200, 121324), (3584, 108325), (3920, 99040), (4333, 89600), (4480, 86660), (4900, 79232), (4952, 78400), (5600, 69328), (6190, 62720), (6272, 61900), (6400, 60662), (7840, 49520), (8666, 44800), (8960, 43330), (9800, 39616), (9904, 39200), (11200, 34664), (12380, 31360), (12544, 30950), (12800, 30331), (15475, 25088), (15680, 24760), (17332, 22400), (17920, 21665), (19600, 19808)]