43505380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 97372800

約数和(自身を除く): 53867420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 340, 398, 643, 796, 995, 1286, 1990, 2572, 3215, 3383, 3980, 6430, 6766, 10931, 12860, 13532, 16915, 21862, 33830, 43724, 54655, 67660, 109310, 127957, 218620, 255914, 511828, 639785, 1279570, 2175269, 2559140, 4350538, 8701076, 10876345, 21752690, 43505380]

約数ペア:

[(1, 43505380), (2, 21752690), (4, 10876345), (5, 8701076), (10, 4350538), (17, 2559140), (20, 2175269), (34, 1279570), (68, 639785), (85, 511828), (170, 255914), (199, 218620), (340, 127957), (398, 109310), (643, 67660), (796, 54655), (995, 43724), (1286, 33830), (1990, 21862), (2572, 16915), (3215, 13532), (3383, 12860), (3980, 10931), (6430, 6766)]