205749760

素因数分解:

$2^9\times 5^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:651

約数の個数: 80

約数和(自身を含む): 497178000

約数和(自身を除く): 291428240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 179, 256, 320, 358, 449, 512, 640, 716, 895, 898, 1280, 1432, 1790, 1796, 2245, 2560, 2864, 3580, 3592, 4490, 5728, 7160, 7184, 8980, 11456, 14320, 14368, 17960, 22912, 28640, 28736, 35920, 45824, 57280, 57472, 71840, 80371, 91648, 114560, 114944, 143680, 160742, 229120, 229888, 287360, 321484, 401855, 458240, 574720, 642968, 803710, 1149440, 1285936, 1607420, 2571872, 3214840, 5143744, 6429680, 10287488, 12859360, 20574976, 25718720, 41149952, 51437440, 102874880, 205749760]

約数ペア:

[(1, 205749760), (2, 102874880), (4, 51437440), (5, 41149952), (8, 25718720), (10, 20574976), (16, 12859360), (20, 10287488), (32, 6429680), (40, 5143744), (64, 3214840), (80, 2571872), (128, 1607420), (160, 1285936), (179, 1149440), (256, 803710), (320, 642968), (358, 574720), (449, 458240), (512, 401855), (640, 321484), (716, 287360), (895, 229888), (898, 229120), (1280, 160742), (1432, 143680), (1790, 114944), (1796, 114560), (2245, 91648), (2560, 80371), (2864, 71840), (3580, 57472), (3592, 57280), (4490, 45824), (5728, 35920), (7160, 28736), (7184, 28640), (8980, 22912), (11456, 17960), (14320, 14368)]