201630440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10657}}^1$

素因数の和:10722

約数の個数: 64

約数和(自身を含む): 506468160

約数和(自身を除く): 304837720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 10657, 18920, 21314, 42628, 53285, 85256, 106570, 117227, 213140, 234454, 426280, 458251, 468908, 586135, 916502, 937816, 1172270, 1833004, 2291255, 2344540, 3666008, 4582510, 4689080, 5040761, 9165020, 10081522, 18330040, 20163044, 25203805, 40326088, 50407610, 100815220, 201630440]

約数ペア:

[(1, 201630440), (2, 100815220), (4, 50407610), (5, 40326088), (8, 25203805), (10, 20163044), (11, 18330040), (20, 10081522), (22, 9165020), (40, 5040761), (43, 4689080), (44, 4582510), (55, 3666008), (86, 2344540), (88, 2291255), (110, 1833004), (172, 1172270), (215, 937816), (220, 916502), (344, 586135), (430, 468908), (440, 458251), (473, 426280), (860, 234454), (946, 213140), (1720, 117227), (1892, 106570), (2365, 85256), (3784, 53285), (4730, 42628), (9460, 21314), (10657, 18920)]