1555335940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{4783}}^1$

素因数の和:5092

約数の個数: 48

約数和(自身を含む): 3327367680

約数和(自身を除く): 1772031740

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 229, 284, 355, 458, 710, 916, 1145, 1420, 2290, 4580, 4783, 9566, 16259, 19132, 23915, 32518, 47830, 65036, 81295, 95660, 162590, 325180, 339593, 679186, 1095307, 1358372, 1697965, 2190614, 3395930, 4381228, 5476535, 6791860, 10953070, 21906140, 77766797, 155533594, 311067188, 388833985, 777667970, 1555335940]

約数ペア:

[(1, 1555335940), (2, 777667970), (4, 388833985), (5, 311067188), (10, 155533594), (20, 77766797), (71, 21906140), (142, 10953070), (229, 6791860), (284, 5476535), (355, 4381228), (458, 3395930), (710, 2190614), (916, 1697965), (1145, 1358372), (1420, 1095307), (2290, 679186), (4580, 339593), (4783, 325180), (9566, 162590), (16259, 95660), (19132, 81295), (23915, 65036), (32518, 47830)]