402912090

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{213181}}^1$

素因数の和:213204

約数の個数: 64

約数和(自身を含む): 1227928320

約数和(自身を除く): 825016230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 213181, 426362, 639543, 1065905, 1279086, 1492267, 1918629, 2131810, 2984534, 3197715, 3837258, 4476801, 5755887, 6395430, 7461335, 8953602, 9593145, 11511774, 13430403, 14922670, 19186290, 22384005, 26860806, 28779435, 40291209, 44768010, 57558870, 67152015, 80582418, 134304030, 201456045, 402912090]

約数ペア:

[(1, 402912090), (2, 201456045), (3, 134304030), (5, 80582418), (6, 67152015), (7, 57558870), (9, 44768010), (10, 40291209), (14, 28779435), (15, 26860806), (18, 22384005), (21, 19186290), (27, 14922670), (30, 13430403), (35, 11511774), (42, 9593145), (45, 8953602), (54, 7461335), (63, 6395430), (70, 5755887), (90, 4476801), (105, 3837258), (126, 3197715), (135, 2984534), (189, 2131810), (210, 1918629), (270, 1492267), (315, 1279086), (378, 1065905), (630, 639543), (945, 426362), (1890, 213181)]