870898100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{1427}}^1$

素因数の和:1817

約数の個数: 72

約数和(自身を含む): 2007996480

約数和(自身を除く): 1137098380

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 359, 425, 718, 850, 1427, 1436, 1700, 1795, 2854, 3590, 5708, 6103, 7135, 7180, 8975, 12206, 14270, 17950, 24259, 24412, 28540, 30515, 35675, 35900, 48518, 61030, 71350, 97036, 121295, 122060, 142700, 152575, 242590, 305150, 485180, 512293, 606475, 610300, 1024586, 1212950, 2049172, 2425900, 2561465, 5122930, 8708981, 10245860, 12807325, 17417962, 25614650, 34835924, 43544905, 51229300, 87089810, 174179620, 217724525, 435449050, 870898100]

約数ペア:

[(1, 870898100), (2, 435449050), (4, 217724525), (5, 174179620), (10, 87089810), (17, 51229300), (20, 43544905), (25, 34835924), (34, 25614650), (50, 17417962), (68, 12807325), (85, 10245860), (100, 8708981), (170, 5122930), (340, 2561465), (359, 2425900), (425, 2049172), (718, 1212950), (850, 1024586), (1427, 610300), (1436, 606475), (1700, 512293), (1795, 485180), (2854, 305150), (3590, 242590), (5708, 152575), (6103, 142700), (7135, 122060), (7180, 121295), (8975, 97036), (12206, 71350), (14270, 61030), (17950, 48518), (24259, 35900), (24412, 35675), (28540, 30515)]