289905250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{68213}}^1$

素因数の和:68247

約数の個数: 32

約数和(自身を含む): 574634736

約数和(自身を除く): 284729486

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 68213, 136426, 341065, 682130, 1159621, 1705325, 2319242, 3410650, 5798105, 8526625, 11596210, 17053250, 28990525, 57981050, 144952625, 289905250]

約数ペア:

[(1, 289905250), (2, 144952625), (5, 57981050), (10, 28990525), (17, 17053250), (25, 11596210), (34, 8526625), (50, 5798105), (85, 3410650), (125, 2319242), (170, 1705325), (250, 1159621), (425, 682130), (850, 341065), (2125, 136426), (4250, 68213)]