318559780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1019}}^1$

素因数の和:1082

約数の個数: 144

約数和(自身を含む): 879076800

約数和(自身を除く): 560517020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 49, 55, 58, 70, 77, 98, 110, 116, 140, 145, 154, 196, 203, 220, 245, 290, 308, 319, 385, 406, 490, 539, 580, 638, 770, 812, 980, 1015, 1019, 1078, 1276, 1421, 1540, 1595, 2030, 2038, 2156, 2233, 2695, 2842, 3190, 4060, 4076, 4466, 5095, 5390, 5684, 6380, 7105, 7133, 8932, 10190, 10780, 11165, 11209, 14210, 14266, 15631, 20380, 22330, 22418, 28420, 28532, 29551, 31262, 35665, 44660, 44836, 49931, 56045, 59102, 62524, 71330, 78155, 78463, 99862, 112090, 118204, 142660, 147755, 156310, 156926, 199724, 206857, 224180, 249655, 295510, 312620, 313852, 325061, 392315, 413714, 499310, 549241, 591020, 650122, 784630, 827428, 998620, 1034285, 1098482, 1300244, 1447999, 1569260, 1625305, 2068570, 2196964, 2275427, 2746205, 2895998, 3250610, 4137140, 4550854, 5492410, 5791996, 6501220, 7239995, 9101708, 10984820, 11377135, 14479990, 15927989, 22754270, 28959980, 31855978, 45508540, 63711956, 79639945, 159279890, 318559780]

約数ペア:

[(1, 318559780), (2, 159279890), (4, 79639945), (5, 63711956), (7, 45508540), (10, 31855978), (11, 28959980), (14, 22754270), (20, 15927989), (22, 14479990), (28, 11377135), (29, 10984820), (35, 9101708), (44, 7239995), (49, 6501220), (55, 5791996), (58, 5492410), (70, 4550854), (77, 4137140), (98, 3250610), (110, 2895998), (116, 2746205), (140, 2275427), (145, 2196964), (154, 2068570), (196, 1625305), (203, 1569260), (220, 1447999), (245, 1300244), (290, 1098482), (308, 1034285), (319, 998620), (385, 827428), (406, 784630), (490, 650122), (539, 591020), (580, 549241), (638, 499310), (770, 413714), (812, 392315), (980, 325061), (1015, 313852), (1019, 312620), (1078, 295510), (1276, 249655), (1421, 224180), (1540, 206857), (1595, 199724), (2030, 156926), (2038, 156310), (2156, 147755), (2233, 142660), (2695, 118204), (2842, 112090), (3190, 99862), (4060, 78463), (4076, 78155), (4466, 71330), (5095, 62524), (5390, 59102), (5684, 56045), (6380, 49931), (7105, 44836), (7133, 44660), (8932, 35665), (10190, 31262), (10780, 29551), (11165, 28532), (11209, 28420), (14210, 22418), (14266, 22330), (15631, 20380)]