57217940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{229}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 134293320

約数和(自身を除く): 77075380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 229, 260, 310, 403, 458, 620, 806, 916, 961, 1145, 1612, 1922, 2015, 2290, 2977, 3844, 4030, 4580, 4805, 5954, 7099, 8060, 9610, 11908, 12493, 14198, 14885, 19220, 24986, 28396, 29770, 35495, 49972, 59540, 62465, 70990, 92287, 124930, 141980, 184574, 220069, 249860, 369148, 440138, 461435, 880276, 922870, 1100345, 1845740, 2200690, 2860897, 4401380, 5721794, 11443588, 14304485, 28608970, 57217940]

約数ペア:

[(1, 57217940), (2, 28608970), (4, 14304485), (5, 11443588), (10, 5721794), (13, 4401380), (20, 2860897), (26, 2200690), (31, 1845740), (52, 1100345), (62, 922870), (65, 880276), (124, 461435), (130, 440138), (155, 369148), (229, 249860), (260, 220069), (310, 184574), (403, 141980), (458, 124930), (620, 92287), (806, 70990), (916, 62465), (961, 59540), (1145, 49972), (1612, 35495), (1922, 29770), (2015, 28396), (2290, 24986), (2977, 19220), (3844, 14885), (4030, 14198), (4580, 12493), (4805, 11908), (5954, 9610), (7099, 8060)]