3878980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 9434880

約数和(自身を除く): 5555900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 269, 412, 515, 538, 721, 1030, 1076, 1345, 1442, 1883, 2060, 2690, 2884, 3605, 3766, 5380, 7210, 7532, 9415, 14420, 18830, 27707, 37660, 55414, 110828, 138535, 193949, 277070, 387898, 554140, 775796, 969745, 1939490, 3878980]

約数ペア:

[(1, 3878980), (2, 1939490), (4, 969745), (5, 775796), (7, 554140), (10, 387898), (14, 277070), (20, 193949), (28, 138535), (35, 110828), (70, 55414), (103, 37660), (140, 27707), (206, 18830), (269, 14420), (412, 9415), (515, 7532), (538, 7210), (721, 5380), (1030, 3766), (1076, 3605), (1345, 2884), (1442, 2690), (1883, 2060)]