209403420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{47809}}^1$

素因数の和:47894

約数の個数: 48

約数和(自身を含む): 594373920

約数和(自身を除く): 384970500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 47809, 95618, 143427, 191236, 239045, 286854, 478090, 573708, 717135, 956180, 1434270, 2868540, 3490057, 6980114, 10470171, 13960228, 17450285, 20940342, 34900570, 41880684, 52350855, 69801140, 104701710, 209403420]

約数ペア:

[(1, 209403420), (2, 104701710), (3, 69801140), (4, 52350855), (5, 41880684), (6, 34900570), (10, 20940342), (12, 17450285), (15, 13960228), (20, 10470171), (30, 6980114), (60, 3490057), (73, 2868540), (146, 1434270), (219, 956180), (292, 717135), (365, 573708), (438, 478090), (730, 286854), (876, 239045), (1095, 191236), (1460, 143427), (2190, 95618), (4380, 47809)]