199370420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{4643}}^1$

素因数の和:4784

約数の個数: 48

約数和(自身を含む): 444709440

約数和(自身を除く): 245339020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 226, 380, 452, 565, 1130, 2147, 2260, 4294, 4643, 8588, 9286, 10735, 18572, 21470, 23215, 42940, 46430, 88217, 92860, 176434, 352868, 441085, 524659, 882170, 1049318, 1764340, 2098636, 2623295, 5246590, 9968521, 10493180, 19937042, 39874084, 49842605, 99685210, 199370420]

約数ペア:

[(1, 199370420), (2, 99685210), (4, 49842605), (5, 39874084), (10, 19937042), (19, 10493180), (20, 9968521), (38, 5246590), (76, 2623295), (95, 2098636), (113, 1764340), (190, 1049318), (226, 882170), (380, 524659), (452, 441085), (565, 352868), (1130, 176434), (2147, 92860), (2260, 88217), (4294, 46430), (4643, 42940), (8588, 23215), (9286, 21470), (10735, 18572)]