127447880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{455171}}^1$

素因数の和:455189

約数の個数: 32

約数和(自身を含む): 327723840

約数和(自身を除く): 200275960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 455171, 910342, 1820684, 2275855, 3186197, 3641368, 4551710, 6372394, 9103420, 12744788, 15930985, 18206840, 25489576, 31861970, 63723940, 127447880]

約数ペア:

[(1, 127447880), (2, 63723940), (4, 31861970), (5, 25489576), (7, 18206840), (8, 15930985), (10, 12744788), (14, 9103420), (20, 6372394), (28, 4551710), (35, 3641368), (40, 3186197), (56, 2275855), (70, 1820684), (140, 910342), (280, 455171)]