2780452868

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{1009}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 5114833920

約数和(自身を除く): 2334381052

約数列:

[1, 2, 4, 31, 62, 71, 124, 142, 284, 313, 626, 1009, 1252, 2018, 2201, 4036, 4402, 8804, 9703, 19406, 22223, 31279, 38812, 44446, 62558, 71639, 88892, 125116, 143278, 286556, 315817, 631634, 688913, 1263268, 1377826, 2220809, 2755652, 4441618, 8883236, 9790327, 19580654, 22423007, 39161308, 44846014, 89692028, 695113217, 1390226434, 2780452868]

約数ペア:

[(1, 2780452868), (2, 1390226434), (4, 695113217), (31, 89692028), (62, 44846014), (71, 39161308), (124, 22423007), (142, 19580654), (284, 9790327), (313, 8883236), (626, 4441618), (1009, 2755652), (1252, 2220809), (2018, 1377826), (2201, 1263268), (4036, 688913), (4402, 631634), (8804, 315817), (9703, 286556), (19406, 143278), (22223, 125116), (31279, 88892), (38812, 71639), (44446, 62558)]