207974840

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{12409}}^1$

素因数の和:12839

約数の個数: 32

約数和(自身を含む): 469098000

約数和(自身を除く): 261123160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 12409, 16760, 24818, 49636, 62045, 99272, 124090, 248180, 496360, 5199371, 10398742, 20797484, 25996855, 41594968, 51993710, 103987420, 207974840]

約数ペア:

[(1, 207974840), (2, 103987420), (4, 51993710), (5, 41594968), (8, 25996855), (10, 20797484), (20, 10398742), (40, 5199371), (419, 496360), (838, 248180), (1676, 124090), (2095, 99272), (3352, 62045), (4190, 49636), (8380, 24818), (12409, 16760)]