2199486580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{8081}}^1$

素因数の和:8560

約数の個数: 48

約数和(自身を含む): 4779371520

約数和(自身を除く): 2579884940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 439, 620, 878, 1756, 2195, 4390, 8081, 8780, 13609, 16162, 27218, 32324, 40405, 54436, 68045, 80810, 136090, 161620, 250511, 272180, 501022, 1002044, 1252555, 2505110, 3547559, 5010220, 7095118, 14190236, 17737795, 35475590, 70951180, 109974329, 219948658, 439897316, 549871645, 1099743290, 2199486580]

約数ペア:

[(1, 2199486580), (2, 1099743290), (4, 549871645), (5, 439897316), (10, 219948658), (20, 109974329), (31, 70951180), (62, 35475590), (124, 17737795), (155, 14190236), (310, 7095118), (439, 5010220), (620, 3547559), (878, 2505110), (1756, 1252555), (2195, 1002044), (4390, 501022), (8081, 272180), (8780, 250511), (13609, 161620), (16162, 136090), (27218, 80810), (32324, 68045), (40405, 54436)]