290202640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39863}}^1$

素因数の和:39896

約数の個数: 80

約数和(自身を含む): 830446848

約数和(自身を除く): 540244208

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 39863, 79726, 159452, 199315, 279041, 318904, 398630, 518219, 558082, 637808, 797260, 1036438, 1116164, 1395205, 1594520, 2072876, 2232328, 2591095, 2790410, 3189040, 3627533, 4145752, 4464656, 5182190, 5580820, 7255066, 8291504, 10364380, 11161640, 14510132, 18137665, 20728760, 22323280, 29020264, 36275330, 41457520, 58040528, 72550660, 145101320, 290202640]

約数ペア:

[(1, 290202640), (2, 145101320), (4, 72550660), (5, 58040528), (7, 41457520), (8, 36275330), (10, 29020264), (13, 22323280), (14, 20728760), (16, 18137665), (20, 14510132), (26, 11161640), (28, 10364380), (35, 8291504), (40, 7255066), (52, 5580820), (56, 5182190), (65, 4464656), (70, 4145752), (80, 3627533), (91, 3189040), (104, 2790410), (112, 2591095), (130, 2232328), (140, 2072876), (182, 1594520), (208, 1395205), (260, 1116164), (280, 1036438), (364, 797260), (455, 637808), (520, 558082), (560, 518219), (728, 398630), (910, 318904), (1040, 279041), (1456, 199315), (1820, 159452), (3640, 79726), (7280, 39863)]