163968700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:444

約数の個数: 108

約数和(自身を含む): 419061720

約数和(自身を除く): 255093020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 109, 140, 175, 196, 218, 245, 307, 350, 436, 490, 545, 614, 700, 763, 980, 1090, 1225, 1228, 1526, 1535, 2149, 2180, 2450, 2725, 3052, 3070, 3815, 4298, 4900, 5341, 5450, 6140, 7630, 7675, 8596, 10682, 10745, 10900, 15043, 15260, 15350, 19075, 21364, 21490, 26705, 30086, 30700, 33463, 38150, 42980, 53410, 53725, 60172, 66926, 75215, 76300, 106820, 107450, 133525, 133852, 150430, 167315, 214900, 234241, 267050, 300860, 334630, 376075, 468482, 534100, 669260, 752150, 836575, 936964, 1171205, 1504300, 1639687, 1673150, 2342410, 3279374, 3346300, 4684820, 5856025, 6558748, 8198435, 11712050, 16396870, 23424100, 32793740, 40992175, 81984350, 163968700]

約数ペア:

[(1, 163968700), (2, 81984350), (4, 40992175), (5, 32793740), (7, 23424100), (10, 16396870), (14, 11712050), (20, 8198435), (25, 6558748), (28, 5856025), (35, 4684820), (49, 3346300), (50, 3279374), (70, 2342410), (98, 1673150), (100, 1639687), (109, 1504300), (140, 1171205), (175, 936964), (196, 836575), (218, 752150), (245, 669260), (307, 534100), (350, 468482), (436, 376075), (490, 334630), (545, 300860), (614, 267050), (700, 234241), (763, 214900), (980, 167315), (1090, 150430), (1225, 133852), (1228, 133525), (1526, 107450), (1535, 106820), (2149, 76300), (2180, 75215), (2450, 66926), (2725, 60172), (3052, 53725), (3070, 53410), (3815, 42980), (4298, 38150), (4900, 33463), (5341, 30700), (5450, 30086), (6140, 26705), (7630, 21490), (7675, 21364), (8596, 19075), (10682, 15350), (10745, 15260), (10900, 15043)]