51710680

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{3769}}^1$

素因数の和:3801

約数の個数: 64

約数和(自身を含む): 135720000

約数和(自身を除く): 84009320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 3769, 6860, 7538, 13720, 15076, 18845, 26383, 30152, 37690, 52766, 75380, 105532, 131915, 150760, 184681, 211064, 263830, 369362, 527660, 738724, 923405, 1055320, 1292767, 1477448, 1846810, 2585534, 3693620, 5171068, 6463835, 7387240, 10342136, 12927670, 25855340, 51710680]

約数ペア:

[(1, 51710680), (2, 25855340), (4, 12927670), (5, 10342136), (7, 7387240), (8, 6463835), (10, 5171068), (14, 3693620), (20, 2585534), (28, 1846810), (35, 1477448), (40, 1292767), (49, 1055320), (56, 923405), (70, 738724), (98, 527660), (140, 369362), (196, 263830), (245, 211064), (280, 184681), (343, 150760), (392, 131915), (490, 105532), (686, 75380), (980, 52766), (1372, 37690), (1715, 30152), (1960, 26383), (2744, 18845), (3430, 15076), (3769, 13720), (6860, 7538)]