469840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{839}}^1$

素因数の和:859

約数の個数: 40

約数和(自身を含む): 1249920

約数和(自身を除く): 780080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 839, 1678, 3356, 4195, 5873, 6712, 8390, 11746, 13424, 16780, 23492, 29365, 33560, 46984, 58730, 67120, 93968, 117460, 234920, 469840]

約数ペア:

[(1, 469840), (2, 234920), (4, 117460), (5, 93968), (7, 67120), (8, 58730), (10, 46984), (14, 33560), (16, 29365), (20, 23492), (28, 16780), (35, 13424), (40, 11746), (56, 8390), (70, 6712), (80, 5873), (112, 4195), (140, 3356), (280, 1678), (560, 839)]