188578370

素因数分解:

$2^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 343612800

約数和(自身を除く): 155034430

約数列:

[1, 2, 5, 10, 193, 199, 386, 398, 491, 965, 982, 995, 1930, 1990, 2455, 4910, 38407, 76814, 94763, 97709, 189526, 192035, 195418, 384070, 473815, 488545, 947630, 977090, 18857837, 37715674, 94289185, 188578370]

約数ペア:

[(1, 188578370), (2, 94289185), (5, 37715674), (10, 18857837), (193, 977090), (199, 947630), (386, 488545), (398, 473815), (491, 384070), (965, 195418), (982, 192035), (995, 189526), (1930, 97709), (1990, 94763), (2455, 76814), (4910, 38407)]