378539420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{26251}}^1$

素因数の和:26370

約数の個数: 48

約数和(自身を含む): 917349888

約数和(自身を除く): 538810468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420, 26251, 52502, 105004, 131255, 183757, 262510, 367514, 525020, 735028, 918785, 1837570, 2703853, 3675140, 5407706, 10815412, 13519265, 18926971, 27038530, 37853942, 54077060, 75707884, 94634855, 189269710, 378539420]

約数ペア:

[(1, 378539420), (2, 189269710), (4, 94634855), (5, 75707884), (7, 54077060), (10, 37853942), (14, 27038530), (20, 18926971), (28, 13519265), (35, 10815412), (70, 5407706), (103, 3675140), (140, 2703853), (206, 1837570), (412, 918785), (515, 735028), (721, 525020), (1030, 367514), (1442, 262510), (2060, 183757), (2884, 131255), (3605, 105004), (7210, 52502), (14420, 26251)]