287091880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{6689}}^1$

素因数の和:6766

約数の個数: 64

約数和(自身を含む): 686394000

約数和(自身を除く): 399302120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 580, 740, 1073, 1160, 1480, 2146, 4292, 5365, 6689, 8584, 10730, 13378, 21460, 26756, 33445, 42920, 53512, 66890, 133780, 193981, 247493, 267560, 387962, 494986, 775924, 969905, 989972, 1237465, 1551848, 1939810, 1979944, 2474930, 3879620, 4949860, 7177297, 7759240, 9899720, 14354594, 28709188, 35886485, 57418376, 71772970, 143545940, 287091880]

約数ペア:

[(1, 287091880), (2, 143545940), (4, 71772970), (5, 57418376), (8, 35886485), (10, 28709188), (20, 14354594), (29, 9899720), (37, 7759240), (40, 7177297), (58, 4949860), (74, 3879620), (116, 2474930), (145, 1979944), (148, 1939810), (185, 1551848), (232, 1237465), (290, 989972), (296, 969905), (370, 775924), (580, 494986), (740, 387962), (1073, 267560), (1160, 247493), (1480, 193981), (2146, 133780), (4292, 66890), (5365, 53512), (6689, 42920), (8584, 33445), (10730, 26756), (13378, 21460)]