887658940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{58169}}^1$

素因数の和:58294

約数の個数: 48

約数和(自身を含む): 2149963200

約数和(自身を除く): 1262304260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 58169, 116338, 232676, 290845, 407183, 581690, 814366, 1163380, 1628732, 2035915, 4071830, 6340421, 8143660, 12680842, 25361684, 31702105, 44382947, 63404210, 88765894, 126808420, 177531788, 221914735, 443829470, 887658940]

約数ペア:

[(1, 887658940), (2, 443829470), (4, 221914735), (5, 177531788), (7, 126808420), (10, 88765894), (14, 63404210), (20, 44382947), (28, 31702105), (35, 25361684), (70, 12680842), (109, 8143660), (140, 6340421), (218, 4071830), (436, 2035915), (545, 1628732), (763, 1163380), (1090, 814366), (1526, 581690), (2180, 407183), (3052, 290845), (3815, 232676), (7630, 116338), (15260, 58169)]