179620220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{3617}}^1$

素因数の和:3830

約数の個数: 48

約数和(自身を含む): 408457728

約数和(自身を除く): 228837508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 382, 764, 955, 1910, 2483, 3617, 3820, 4966, 7234, 9932, 12415, 14468, 18085, 24830, 36170, 47021, 49660, 72340, 94042, 188084, 235105, 470210, 690847, 940420, 1381694, 2763388, 3454235, 6908470, 8981011, 13816940, 17962022, 35924044, 44905055, 89810110, 179620220]

約数ペア:

[(1, 179620220), (2, 89810110), (4, 44905055), (5, 35924044), (10, 17962022), (13, 13816940), (20, 8981011), (26, 6908470), (52, 3454235), (65, 2763388), (130, 1381694), (191, 940420), (260, 690847), (382, 470210), (764, 235105), (955, 188084), (1910, 94042), (2483, 72340), (3617, 49660), (3820, 47021), (4966, 36170), (7234, 24830), (9932, 18085), (12415, 14468)]