253027180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 661893120

約数和(自身を除く): 408865940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 107, 127, 133, 140, 190, 196, 214, 245, 254, 266, 380, 428, 490, 508, 532, 535, 635, 665, 749, 889, 931, 980, 1070, 1270, 1330, 1498, 1778, 1862, 2033, 2140, 2413, 2540, 2660, 2996, 3556, 3724, 3745, 4066, 4445, 4655, 4826, 5243, 6223, 7490, 8132, 8890, 9310, 9652, 10165, 10486, 12065, 12446, 13589, 14231, 14980, 16891, 17780, 18620, 20330, 20972, 24130, 24892, 26215, 27178, 28462, 31115, 33782, 40660, 48260, 52430, 54356, 56924, 62230, 67564, 67945, 71155, 84455, 95123, 99617, 104860, 118237, 124460, 135890, 142310, 168910, 190246, 199234, 236474, 258191, 271780, 284620, 337820, 380492, 398468, 472948, 475615, 498085, 516382, 591185, 665861, 951230, 996170, 1032764, 1182370, 1290955, 1331722, 1807337, 1902460, 1992340, 2364740, 2581910, 2663444, 3329305, 3614674, 5163820, 6658610, 7229348, 9036685, 12651359, 13317220, 18073370, 25302718, 36146740, 50605436, 63256795, 126513590, 253027180]

約数ペア:

[(1, 253027180), (2, 126513590), (4, 63256795), (5, 50605436), (7, 36146740), (10, 25302718), (14, 18073370), (19, 13317220), (20, 12651359), (28, 9036685), (35, 7229348), (38, 6658610), (49, 5163820), (70, 3614674), (76, 3329305), (95, 2663444), (98, 2581910), (107, 2364740), (127, 1992340), (133, 1902460), (140, 1807337), (190, 1331722), (196, 1290955), (214, 1182370), (245, 1032764), (254, 996170), (266, 951230), (380, 665861), (428, 591185), (490, 516382), (508, 498085), (532, 475615), (535, 472948), (635, 398468), (665, 380492), (749, 337820), (889, 284620), (931, 271780), (980, 258191), (1070, 236474), (1270, 199234), (1330, 190246), (1498, 168910), (1778, 142310), (1862, 135890), (2033, 124460), (2140, 118237), (2413, 104860), (2540, 99617), (2660, 95123), (2996, 84455), (3556, 71155), (3724, 67945), (3745, 67564), (4066, 62230), (4445, 56924), (4655, 54356), (4826, 52430), (5243, 48260), (6223, 40660), (7490, 33782), (8132, 31115), (8890, 28462), (9310, 27178), (9652, 26215), (10165, 24892), (10486, 24130), (12065, 20972), (12446, 20330), (13589, 18620), (14231, 17780), (14980, 16891)]