198152320

素因数分解:

$2^7\times 5^1\times {\mathrm{409}}^1\times {\mathrm{757}}^1$

素因数の和:1185

約数の個数: 64

約数和(自身を含む): 475493400

約数和(自身を除く): 277341080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 409, 640, 757, 818, 1514, 1636, 2045, 3028, 3272, 3785, 4090, 6056, 6544, 7570, 8180, 12112, 13088, 15140, 16360, 24224, 26176, 30280, 32720, 48448, 52352, 60560, 65440, 96896, 121120, 130880, 242240, 261760, 309613, 484480, 619226, 1238452, 1548065, 2476904, 3096130, 4953808, 6192260, 9907616, 12384520, 19815232, 24769040, 39630464, 49538080, 99076160, 198152320]

約数ペア:

[(1, 198152320), (2, 99076160), (4, 49538080), (5, 39630464), (8, 24769040), (10, 19815232), (16, 12384520), (20, 9907616), (32, 6192260), (40, 4953808), (64, 3096130), (80, 2476904), (128, 1548065), (160, 1238452), (320, 619226), (409, 484480), (640, 309613), (757, 261760), (818, 242240), (1514, 130880), (1636, 121120), (2045, 96896), (3028, 65440), (3272, 60560), (3785, 52352), (4090, 48448), (6056, 32720), (6544, 30280), (7570, 26176), (8180, 24224), (12112, 16360), (13088, 15140)]