2783444740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:893

約数の個数: 96

約数和(自身を含む): 6194119680

約数和(自身を除く): 3410674940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 89, 124, 146, 155, 178, 292, 310, 356, 365, 445, 620, 691, 730, 890, 1382, 1460, 1780, 2263, 2759, 2764, 3455, 4526, 5518, 6497, 6910, 9052, 11036, 11315, 12994, 13795, 13820, 21421, 22630, 25988, 27590, 32485, 42842, 45260, 50443, 55180, 61499, 64970, 85684, 100886, 107105, 122998, 129940, 201407, 201772, 214210, 245996, 252215, 307495, 402814, 428420, 504430, 614990, 805628, 1007035, 1008860, 1229980, 1563733, 1906469, 2014070, 3127466, 3812938, 4028140, 4489427, 6254932, 7625876, 7818665, 8978854, 9532345, 15637330, 17957708, 19064690, 22447135, 31274660, 38129380, 44894270, 89788540, 139172237, 278344474, 556688948, 695861185, 1391722370, 2783444740]

約数ペア:

[(1, 2783444740), (2, 1391722370), (4, 695861185), (5, 556688948), (10, 278344474), (20, 139172237), (31, 89788540), (62, 44894270), (73, 38129380), (89, 31274660), (124, 22447135), (146, 19064690), (155, 17957708), (178, 15637330), (292, 9532345), (310, 8978854), (356, 7818665), (365, 7625876), (445, 6254932), (620, 4489427), (691, 4028140), (730, 3812938), (890, 3127466), (1382, 2014070), (1460, 1906469), (1780, 1563733), (2263, 1229980), (2759, 1008860), (2764, 1007035), (3455, 805628), (4526, 614990), (5518, 504430), (6497, 428420), (6910, 402814), (9052, 307495), (11036, 252215), (11315, 245996), (12994, 214210), (13795, 201772), (13820, 201407), (21421, 129940), (22630, 122998), (25988, 107105), (27590, 100886), (32485, 85684), (42842, 64970), (45260, 61499), (50443, 55180)]