90979030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 182476800

約数和(自身を除く): 91497770

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 109, 115, 190, 191, 218, 230, 382, 437, 545, 874, 955, 1090, 1910, 2071, 2185, 2507, 3629, 4142, 4370, 4393, 5014, 7258, 8786, 10355, 12535, 18145, 20710, 20819, 21965, 25070, 36290, 41638, 43930, 47633, 83467, 95266, 104095, 166934, 208190, 238165, 395561, 417335, 476330, 478837, 791122, 834670, 957674, 1977805, 2394185, 3955610, 4788370, 9097903, 18195806, 45489515, 90979030]

約数ペア:

[(1, 90979030), (2, 45489515), (5, 18195806), (10, 9097903), (19, 4788370), (23, 3955610), (38, 2394185), (46, 1977805), (95, 957674), (109, 834670), (115, 791122), (190, 478837), (191, 476330), (218, 417335), (230, 395561), (382, 238165), (437, 208190), (545, 166934), (874, 104095), (955, 95266), (1090, 83467), (1910, 47633), (2071, 43930), (2185, 41638), (2507, 36290), (3629, 25070), (4142, 21965), (4370, 20819), (4393, 20710), (5014, 18145), (7258, 12535), (8786, 10355)]