219457280

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{3499}}^1$

素因数の和:3534

約数の個数: 108

約数和(自身を含む): 611667000

約数和(自身を除く): 392209720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3499, 3920, 4480, 6272, 6998, 7840, 8960, 12544, 13996, 15680, 17495, 24493, 27992, 31360, 34990, 48986, 55984, 62720, 69980, 97972, 111968, 122465, 139960, 171451, 195944, 223936, 244930, 279920, 342902, 391888, 447872, 489860, 559840, 685804, 783776, 857255, 895744, 979720, 1119680, 1371608, 1567552, 1714510, 1959440, 2239360, 2743216, 3135104, 3429020, 3918880, 4478720, 5486432, 6270208, 6858040, 7837760, 10972864, 13716080, 15675520, 21945728, 27432160, 31351040, 43891456, 54864320, 109728640, 219457280]

約数ペア:

[(1, 219457280), (2, 109728640), (4, 54864320), (5, 43891456), (7, 31351040), (8, 27432160), (10, 21945728), (14, 15675520), (16, 13716080), (20, 10972864), (28, 7837760), (32, 6858040), (35, 6270208), (40, 5486432), (49, 4478720), (56, 3918880), (64, 3429020), (70, 3135104), (80, 2743216), (98, 2239360), (112, 1959440), (128, 1714510), (140, 1567552), (160, 1371608), (196, 1119680), (224, 979720), (245, 895744), (256, 857255), (280, 783776), (320, 685804), (392, 559840), (448, 489860), (490, 447872), (560, 391888), (640, 342902), (784, 279920), (896, 244930), (980, 223936), (1120, 195944), (1280, 171451), (1568, 139960), (1792, 122465), (1960, 111968), (2240, 97972), (3136, 69980), (3499, 62720), (3920, 55984), (4480, 48986), (6272, 34990), (6998, 31360), (7840, 27992), (8960, 24493), (12544, 17495), (13996, 15680)]