199981890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{14153}}^1$

素因数の和:14323

約数の個数: 48

約数和(自身を含む): 523301688

約数和(自身を除く): 323319798

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1413, 1570, 2355, 2826, 4710, 7065, 14130, 14153, 28306, 42459, 70765, 84918, 127377, 141530, 212295, 254754, 424590, 636885, 1273770, 2222021, 4444042, 6666063, 11110105, 13332126, 19998189, 22220210, 33330315, 39996378, 66660630, 99990945, 199981890]

約数ペア:

[(1, 199981890), (2, 99990945), (3, 66660630), (5, 39996378), (6, 33330315), (9, 22220210), (10, 19998189), (15, 13332126), (18, 11110105), (30, 6666063), (45, 4444042), (90, 2222021), (157, 1273770), (314, 636885), (471, 424590), (785, 254754), (942, 212295), (1413, 141530), (1570, 127377), (2355, 84918), (2826, 70765), (4710, 42459), (7065, 28306), (14130, 14153)]