71330860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 153280512

約数和(自身を除く): 81949652

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 191, 263, 284, 355, 382, 526, 710, 764, 955, 1052, 1315, 1420, 1910, 2630, 3820, 5260, 13561, 18673, 27122, 37346, 50233, 54244, 67805, 74692, 93365, 100466, 135610, 186730, 200932, 251165, 271220, 373460, 502330, 1004660, 3566543, 7133086, 14266172, 17832715, 35665430, 71330860]

約数ペア:

[(1, 71330860), (2, 35665430), (4, 17832715), (5, 14266172), (10, 7133086), (20, 3566543), (71, 1004660), (142, 502330), (191, 373460), (263, 271220), (284, 251165), (355, 200932), (382, 186730), (526, 135610), (710, 100466), (764, 93365), (955, 74692), (1052, 67805), (1315, 54244), (1420, 50233), (1910, 37346), (2630, 27122), (3820, 18673), (5260, 13561)]