211301680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{37201}}^1$

素因数の和:37285

約数の個数: 40

約数和(自身を含む): 498209184

約数和(自身を除く): 286907504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 37201, 74402, 148804, 186005, 297608, 372010, 595216, 744020, 1488040, 2641271, 2976080, 5282542, 10565084, 13206355, 21130168, 26412710, 42260336, 52825420, 105650840, 211301680]

約数ペア:

[(1, 211301680), (2, 105650840), (4, 52825420), (5, 42260336), (8, 26412710), (10, 21130168), (16, 13206355), (20, 10565084), (40, 5282542), (71, 2976080), (80, 2641271), (142, 1488040), (284, 744020), (355, 595216), (568, 372010), (710, 297608), (1136, 186005), (1420, 148804), (2840, 74402), (5680, 37201)]