215538320

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{72817}}^1$

素因数の和:72867

約数の個数: 40

約数和(自身を含む): 514677624

約数和(自身を除く): 299139304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 72817, 145634, 291268, 364085, 582536, 728170, 1165072, 1456340, 2694229, 2912680, 5388458, 5825360, 10776916, 13471145, 21553832, 26942290, 43107664, 53884580, 107769160, 215538320]

約数ペア:

[(1, 215538320), (2, 107769160), (4, 53884580), (5, 43107664), (8, 26942290), (10, 21553832), (16, 13471145), (20, 10776916), (37, 5825360), (40, 5388458), (74, 2912680), (80, 2694229), (148, 1456340), (185, 1165072), (296, 728170), (370, 582536), (592, 364085), (740, 291268), (1480, 145634), (2960, 72817)]