197745240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21401}}^1$

素因数の和:21433

約数の個数: 128

約数和(自身を含む): 739653120

約数和(自身を除く): 541907880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 21401, 42802, 64203, 85604, 107005, 128406, 149807, 171208, 214010, 235411, 256812, 299614, 321015, 428020, 449421, 470822, 513624, 599228, 642030, 706233, 749035, 856040, 898842, 941644, 1177055, 1198456, 1284060, 1412466, 1498070, 1647877, 1797684, 1883288, 2247105, 2354110, 2568120, 2824932, 2996140, 3295754, 3531165, 3595368, 4494210, 4708220, 4943631, 5649864, 5992280, 6591508, 7062330, 8239385, 8988420, 9416440, 9887262, 13183016, 14124660, 16478770, 17976840, 19774524, 24718155, 28249320, 32957540, 39549048, 49436310, 65915080, 98872620, 197745240]

約数ペア:

[(1, 197745240), (2, 98872620), (3, 65915080), (4, 49436310), (5, 39549048), (6, 32957540), (7, 28249320), (8, 24718155), (10, 19774524), (11, 17976840), (12, 16478770), (14, 14124660), (15, 13183016), (20, 9887262), (21, 9416440), (22, 8988420), (24, 8239385), (28, 7062330), (30, 6591508), (33, 5992280), (35, 5649864), (40, 4943631), (42, 4708220), (44, 4494210), (55, 3595368), (56, 3531165), (60, 3295754), (66, 2996140), (70, 2824932), (77, 2568120), (84, 2354110), (88, 2247105), (105, 1883288), (110, 1797684), (120, 1647877), (132, 1498070), (140, 1412466), (154, 1284060), (165, 1198456), (168, 1177055), (210, 941644), (220, 898842), (231, 856040), (264, 749035), (280, 706233), (308, 642030), (330, 599228), (385, 513624), (420, 470822), (440, 449421), (462, 428020), (616, 321015), (660, 299614), (770, 256812), (840, 235411), (924, 214010), (1155, 171208), (1320, 149807), (1540, 128406), (1848, 107005), (2310, 85604), (3080, 64203), (4620, 42802), (9240, 21401)]