172936140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221713}}^1$

素因数の和:221738

約数の個数: 48

約数和(自身を含む): 521471328

約数和(自身を除く): 348535188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 221713, 443426, 665139, 886852, 1108565, 1330278, 2217130, 2660556, 2882269, 3325695, 4434260, 5764538, 6651390, 8646807, 11529076, 13302780, 14411345, 17293614, 28822690, 34587228, 43234035, 57645380, 86468070, 172936140]

約数ペア:

[(1, 172936140), (2, 86468070), (3, 57645380), (4, 43234035), (5, 34587228), (6, 28822690), (10, 17293614), (12, 14411345), (13, 13302780), (15, 11529076), (20, 8646807), (26, 6651390), (30, 5764538), (39, 4434260), (52, 3325695), (60, 2882269), (65, 2660556), (78, 2217130), (130, 1330278), (156, 1108565), (195, 886852), (260, 665139), (390, 443426), (780, 221713)]