17788430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 19536370

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 79, 89, 110, 115, 158, 178, 230, 253, 395, 445, 506, 790, 869, 890, 979, 1265, 1738, 1817, 1958, 2047, 2530, 3634, 4094, 4345, 4895, 7031, 8690, 9085, 9790, 10235, 14062, 18170, 19987, 20470, 22517, 35155, 39974, 45034, 70310, 77341, 99935, 112585, 154682, 161713, 199870, 225170, 323426, 386705, 773410, 808565, 1617130, 1778843, 3557686, 8894215, 17788430]

約数ペア:

[(1, 17788430), (2, 8894215), (5, 3557686), (10, 1778843), (11, 1617130), (22, 808565), (23, 773410), (46, 386705), (55, 323426), (79, 225170), (89, 199870), (110, 161713), (115, 154682), (158, 112585), (178, 99935), (230, 77341), (253, 70310), (395, 45034), (445, 39974), (506, 35155), (790, 22517), (869, 20470), (890, 19987), (979, 18170), (1265, 14062), (1738, 10235), (1817, 9790), (1958, 9085), (2047, 8690), (2530, 7031), (3634, 4895), (4094, 4345)]