1260418352

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{243889}}^1$

素因数の和:243933

約数の個数: 40

約数和(自身を含む): 2721812400

約数和(自身を除く): 1461394048

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 243889, 487778, 975556, 1951112, 3902224, 4146113, 4633891, 8292226, 9267782, 16584452, 18535564, 33168904, 37071128, 66337808, 74142256, 78776147, 157552294, 315104588, 630209176, 1260418352]

約数ペア:

[(1, 1260418352), (2, 630209176), (4, 315104588), (8, 157552294), (16, 78776147), (17, 74142256), (19, 66337808), (34, 37071128), (38, 33168904), (68, 18535564), (76, 16584452), (136, 9267782), (152, 8292226), (272, 4633891), (304, 4146113), (323, 3902224), (646, 1951112), (1292, 975556), (2584, 487778), (5168, 243889)]