18300700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 43997184

約数和(自身を除く): 25696484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 127, 131, 220, 254, 262, 275, 508, 524, 550, 635, 655, 1100, 1270, 1310, 1397, 1441, 2540, 2620, 2794, 2882, 3175, 3275, 5588, 5764, 6350, 6550, 6985, 7205, 12700, 13100, 13970, 14410, 16637, 27940, 28820, 33274, 34925, 36025, 66548, 69850, 72050, 83185, 139700, 144100, 166370, 183007, 332740, 366014, 415925, 732028, 831850, 915035, 1663700, 1830070, 3660140, 4575175, 9150350, 18300700]

約数ペア:

[(1, 18300700), (2, 9150350), (4, 4575175), (5, 3660140), (10, 1830070), (11, 1663700), (20, 915035), (22, 831850), (25, 732028), (44, 415925), (50, 366014), (55, 332740), (100, 183007), (110, 166370), (127, 144100), (131, 139700), (220, 83185), (254, 72050), (262, 69850), (275, 66548), (508, 36025), (524, 34925), (550, 33274), (635, 28820), (655, 27940), (1100, 16637), (1270, 14410), (1310, 13970), (1397, 13100), (1441, 12700), (2540, 7205), (2620, 6985), (2794, 6550), (2882, 6350), (3175, 5764), (3275, 5588)]