156954121820

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3331}}^1\times {\mathrm{11839}}^1$

素因数の和:15378

約数の個数: 48

約数和(自身を含む): 331387392000

約数和(自身を除く): 174433270180

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3331, 3980, 6662, 11839, 13324, 16655, 23678, 33310, 47356, 59195, 66620, 118390, 236780, 662869, 1325738, 2355961, 2651476, 3314345, 4711922, 6628690, 9423844, 11779805, 13257380, 23559610, 39435709, 47119220, 78871418, 157742836, 197178545, 394357090, 788714180, 7847706091, 15695412182, 31390824364, 39238530455, 78477060910, 156954121820]

約数ペア:

[(1, 156954121820), (2, 78477060910), (4, 39238530455), (5, 31390824364), (10, 15695412182), (20, 7847706091), (199, 788714180), (398, 394357090), (796, 197178545), (995, 157742836), (1990, 78871418), (3331, 47119220), (3980, 39435709), (6662, 23559610), (11839, 13257380), (13324, 11779805), (16655, 9423844), (23678, 6628690), (33310, 4711922), (47356, 3314345), (59195, 2651476), (66620, 2355961), (118390, 1325738), (236780, 662869)]