2028193900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{471673}}^1$

素因数の和:471730

約数の個数: 36

約数和(自身を含む): 4503543352

約数和(自身を除く): 2475349452

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 471673, 943346, 1886692, 2358365, 4716730, 9433460, 11791825, 20281939, 23583650, 40563878, 47167300, 81127756, 101409695, 202819390, 405638780, 507048475, 1014096950, 2028193900]

約数ペア:

[(1, 2028193900), (2, 1014096950), (4, 507048475), (5, 405638780), (10, 202819390), (20, 101409695), (25, 81127756), (43, 47167300), (50, 40563878), (86, 23583650), (100, 20281939), (172, 11791825), (215, 9433460), (430, 4716730), (860, 2358365), (1075, 1886692), (2150, 943346), (4300, 471673)]