78971800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23227}}^1$

素因数の和:23260

約数の個数: 48

約数和(自身を含む): 194418360

約数和(自身を除く): 115446560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 23227, 46454, 92908, 116135, 185816, 232270, 394859, 464540, 580675, 789718, 929080, 1161350, 1579436, 1974295, 2322700, 3158872, 3948590, 4645400, 7897180, 9871475, 15794360, 19742950, 39485900, 78971800]

約数ペア:

[(1, 78971800), (2, 39485900), (4, 19742950), (5, 15794360), (8, 9871475), (10, 7897180), (17, 4645400), (20, 3948590), (25, 3158872), (34, 2322700), (40, 1974295), (50, 1579436), (68, 1161350), (85, 929080), (100, 789718), (136, 580675), (170, 464540), (200, 394859), (340, 232270), (425, 185816), (680, 116135), (850, 92908), (1700, 46454), (3400, 23227)]