204625470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{139201}}^1$

素因数の和:139225

約数の個数: 48

約数和(自身を含む): 571285008

約数和(自身を除く): 366659538

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 139201, 278402, 417603, 696005, 835206, 974407, 1392010, 1948814, 2088015, 2923221, 4176030, 4872035, 5846442, 6820849, 9744070, 13641698, 14616105, 20462547, 29232210, 34104245, 40925094, 68208490, 102312735, 204625470]

約数ペア:

[(1, 204625470), (2, 102312735), (3, 68208490), (5, 40925094), (6, 34104245), (7, 29232210), (10, 20462547), (14, 14616105), (15, 13641698), (21, 9744070), (30, 6820849), (35, 5846442), (42, 4872035), (49, 4176030), (70, 2923221), (98, 2088015), (105, 1948814), (147, 1392010), (210, 974407), (245, 835206), (294, 696005), (490, 417603), (735, 278402), (1470, 139201)]