102221420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1877}}^1$

素因数の和:2282

約数の個数: 48

約数和(自身を含む): 246093120

約数和(自身を除く): 143871700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1877, 1945, 2723, 3754, 3890, 5446, 7508, 7780, 9385, 10892, 13139, 13615, 18770, 26278, 27230, 37540, 52556, 54460, 65695, 131390, 262780, 730153, 1460306, 2920612, 3650765, 5111071, 7301530, 10222142, 14603060, 20444284, 25555355, 51110710, 102221420]

約数ペア:

[(1, 102221420), (2, 51110710), (4, 25555355), (5, 20444284), (7, 14603060), (10, 10222142), (14, 7301530), (20, 5111071), (28, 3650765), (35, 2920612), (70, 1460306), (140, 730153), (389, 262780), (778, 131390), (1556, 65695), (1877, 54460), (1945, 52556), (2723, 37540), (3754, 27230), (3890, 26278), (5446, 18770), (7508, 13615), (7780, 13139), (9385, 10892)]