198818620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9931}}^1$

素因数の和:9971

約数の個数: 96

約数和(自身を含む): 560641536

約数和(自身を除く): 361822916

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 4004, 5005, 9931, 10010, 19862, 20020, 39724, 49655, 69517, 99310, 109241, 129103, 139034, 198620, 218482, 258206, 278068, 347585, 436964, 516412, 546205, 645515, 695170, 764687, 903721, 1092410, 1291030, 1390340, 1420133, 1529374, 1807442, 2184820, 2582060, 2840266, 3058748, 3614884, 3823435, 4518605, 5680532, 7100665, 7646870, 9037210, 9940931, 14201330, 15293740, 18074420, 19881862, 28402660, 39763724, 49704655, 99409310, 198818620]

約数ペア:

[(1, 198818620), (2, 99409310), (4, 49704655), (5, 39763724), (7, 28402660), (10, 19881862), (11, 18074420), (13, 15293740), (14, 14201330), (20, 9940931), (22, 9037210), (26, 7646870), (28, 7100665), (35, 5680532), (44, 4518605), (52, 3823435), (55, 3614884), (65, 3058748), (70, 2840266), (77, 2582060), (91, 2184820), (110, 1807442), (130, 1529374), (140, 1420133), (143, 1390340), (154, 1291030), (182, 1092410), (220, 903721), (260, 764687), (286, 695170), (308, 645515), (364, 546205), (385, 516412), (455, 436964), (572, 347585), (715, 278068), (770, 258206), (910, 218482), (1001, 198620), (1430, 139034), (1540, 129103), (1820, 109241), (2002, 99310), (2860, 69517), (4004, 49655), (5005, 39724), (9931, 20020), (10010, 19862)]