209419220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{1193}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 450128448

約数和(自身を除く): 240709228

約数列:

[1, 2, 4, 5, 10, 20, 67, 131, 134, 262, 268, 335, 524, 655, 670, 1193, 1310, 1340, 2386, 2620, 4772, 5965, 8777, 11930, 17554, 23860, 35108, 43885, 79931, 87770, 156283, 159862, 175540, 312566, 319724, 399655, 625132, 781415, 799310, 1562830, 1598620, 3125660, 10470961, 20941922, 41883844, 52354805, 104709610, 209419220]

約数ペア:

[(1, 209419220), (2, 104709610), (4, 52354805), (5, 41883844), (10, 20941922), (20, 10470961), (67, 3125660), (131, 1598620), (134, 1562830), (262, 799310), (268, 781415), (335, 625132), (524, 399655), (655, 319724), (670, 312566), (1193, 175540), (1310, 159862), (1340, 156283), (2386, 87770), (2620, 79931), (4772, 43885), (5965, 35108), (8777, 23860), (11930, 17554)]