3938940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 12143040

約数和(自身を除く): 8204100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 277, 316, 395, 474, 554, 711, 790, 831, 948, 1108, 1185, 1385, 1422, 1580, 1662, 2370, 2493, 2770, 2844, 3324, 3555, 4155, 4740, 4986, 5540, 7110, 8310, 9972, 12465, 14220, 16620, 21883, 24930, 43766, 49860, 65649, 87532, 109415, 131298, 196947, 218830, 262596, 328245, 393894, 437660, 656490, 787788, 984735, 1312980, 1969470, 3938940]

約数ペア:

[(1, 3938940), (2, 1969470), (3, 1312980), (4, 984735), (5, 787788), (6, 656490), (9, 437660), (10, 393894), (12, 328245), (15, 262596), (18, 218830), (20, 196947), (30, 131298), (36, 109415), (45, 87532), (60, 65649), (79, 49860), (90, 43766), (158, 24930), (180, 21883), (237, 16620), (277, 14220), (316, 12465), (395, 9972), (474, 8310), (554, 7110), (711, 5540), (790, 4986), (831, 4740), (948, 4155), (1108, 3555), (1185, 3324), (1385, 2844), (1422, 2770), (1580, 2493), (1662, 2370)]