305769828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{280009}}^1$

素因数の和:280036

約数の個数: 48

約数和(自身を含む): 878111360

約数和(自身を除く): 572341532

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 280009, 560018, 840027, 1120036, 1680054, 1960063, 3360108, 3640117, 3920126, 5880189, 7280234, 7840252, 10920351, 11760378, 14560468, 21840702, 23520756, 25480819, 43681404, 50961638, 76442457, 101923276, 152884914, 305769828]

約数ペア:

[(1, 305769828), (2, 152884914), (3, 101923276), (4, 76442457), (6, 50961638), (7, 43681404), (12, 25480819), (13, 23520756), (14, 21840702), (21, 14560468), (26, 11760378), (28, 10920351), (39, 7840252), (42, 7280234), (52, 5880189), (78, 3920126), (84, 3640117), (91, 3360108), (156, 1960063), (182, 1680054), (273, 1120036), (364, 840027), (546, 560018), (1092, 280009)]