101988400

素因数分解:

$2^4\times 5^2\times {\mathrm{254971}}^1$

素因数の和:254989

約数の個数: 30

約数和(自身を含む): 245028092

約数和(自身を除く): 143039692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 254971, 509942, 1019884, 1274855, 2039768, 2549710, 4079536, 5099420, 6374275, 10198840, 12748550, 20397680, 25497100, 50994200, 101988400]

約数ペア:

[(1, 101988400), (2, 50994200), (4, 25497100), (5, 20397680), (8, 12748550), (10, 10198840), (16, 6374275), (20, 5099420), (25, 4079536), (40, 2549710), (50, 2039768), (80, 1274855), (100, 1019884), (200, 509942), (400, 254971)]