996987405940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2393}}^1\times {\mathrm{293399}}^1$

素因数の和:295872

約数の個数: 48

約数和(自身を含む): 2124056390400

約数和(自身を除く): 1127068984460

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2393, 4786, 9572, 11965, 23930, 47860, 169903, 293399, 339806, 586798, 679612, 849515, 1173596, 1466995, 1699030, 2933990, 3398060, 5867980, 20831329, 41662658, 83325316, 104156645, 208313290, 416626580, 702103807, 1404207614, 2808415228, 3510519035, 7021038070, 14042076140, 49849370297, 99698740594, 199397481188, 249246851485, 498493702970, 996987405940]

約数ペア:

[(1, 996987405940), (2, 498493702970), (4, 249246851485), (5, 199397481188), (10, 99698740594), (20, 49849370297), (71, 14042076140), (142, 7021038070), (284, 3510519035), (355, 2808415228), (710, 1404207614), (1420, 702103807), (2393, 416626580), (4786, 208313290), (9572, 104156645), (11965, 83325316), (23930, 41662658), (47860, 20831329), (169903, 5867980), (293399, 3398060), (339806, 2933990), (586798, 1699030), (679612, 1466995), (849515, 1173596)]