211045820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{2473}}^1$

素因数の和:2750

約数の個数: 48

約数和(自身を含む): 471326688

約数和(自身を除く): 260280868

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 251, 340, 502, 1004, 1255, 2473, 2510, 4267, 4946, 5020, 8534, 9892, 12365, 17068, 21335, 24730, 42041, 42670, 49460, 84082, 85340, 168164, 210205, 420410, 620723, 840820, 1241446, 2482892, 3103615, 6207230, 10552291, 12414460, 21104582, 42209164, 52761455, 105522910, 211045820]

約数ペア:

[(1, 211045820), (2, 105522910), (4, 52761455), (5, 42209164), (10, 21104582), (17, 12414460), (20, 10552291), (34, 6207230), (68, 3103615), (85, 2482892), (170, 1241446), (251, 840820), (340, 620723), (502, 420410), (1004, 210205), (1255, 168164), (2473, 85340), (2510, 84082), (4267, 49460), (4946, 42670), (5020, 42041), (8534, 24730), (9892, 21335), (12365, 17068)]