245894740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19301}}^1$

素因数の和:19337

約数の個数: 72

約数和(自身を含む): 646925832

約数和(自身を除く): 401031092

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 19301, 38602, 77204, 96505, 135107, 193010, 250913, 270214, 386020, 501826, 540428, 675535, 945749, 1003652, 1254565, 1351070, 1756391, 1891498, 2509130, 2702140, 3512782, 3782996, 4728745, 5018260, 7025564, 8781955, 9457490, 12294737, 17563910, 18914980, 24589474, 35127820, 49178948, 61473685, 122947370, 245894740]

約数ペア:

[(1, 245894740), (2, 122947370), (4, 61473685), (5, 49178948), (7, 35127820), (10, 24589474), (13, 18914980), (14, 17563910), (20, 12294737), (26, 9457490), (28, 8781955), (35, 7025564), (49, 5018260), (52, 4728745), (65, 3782996), (70, 3512782), (91, 2702140), (98, 2509130), (130, 1891498), (140, 1756391), (182, 1351070), (196, 1254565), (245, 1003652), (260, 945749), (364, 675535), (455, 540428), (490, 501826), (637, 386020), (910, 270214), (980, 250913), (1274, 193010), (1820, 135107), (2548, 96505), (3185, 77204), (6370, 38602), (12740, 19301)]