210007420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1153}}^1\times {\mathrm{1301}}^1$

素因数の和:2470

約数の個数: 48

約数和(自身を含む): 504842688

約数和(自身を除く): 294835268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1153, 1301, 2306, 2602, 4612, 5204, 5765, 6505, 8071, 9107, 11530, 13010, 16142, 18214, 23060, 26020, 32284, 36428, 40355, 45535, 80710, 91070, 161420, 182140, 1500053, 3000106, 6000212, 7500265, 10500371, 15000530, 21000742, 30001060, 42001484, 52501855, 105003710, 210007420]

約数ペア:

[(1, 210007420), (2, 105003710), (4, 52501855), (5, 42001484), (7, 30001060), (10, 21000742), (14, 15000530), (20, 10500371), (28, 7500265), (35, 6000212), (70, 3000106), (140, 1500053), (1153, 182140), (1301, 161420), (2306, 91070), (2602, 80710), (4612, 45535), (5204, 40355), (5765, 36428), (6505, 32284), (8071, 26020), (9107, 23060), (11530, 18214), (13010, 16142)]