90100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:84

約数の個数: 36

約数和(自身を含む): 210924

約数和(自身を除く): 120824

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 53, 68, 85, 100, 106, 170, 212, 265, 340, 425, 530, 850, 901, 1060, 1325, 1700, 1802, 2650, 3604, 4505, 5300, 9010, 18020, 22525, 45050, 90100]

約数ペア:

[(1, 90100), (2, 45050), (4, 22525), (5, 18020), (10, 9010), (17, 5300), (20, 4505), (25, 3604), (34, 2650), (50, 1802), (53, 1700), (68, 1325), (85, 1060), (100, 901), (106, 850), (170, 530), (212, 425), (265, 340)]