1618315930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{20809}}^1$

素因数の和:20935

約数の個数: 64

約数和(自身を含む): 3667887360

約数和(自身を除く): 2049571430

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 101, 110, 154, 202, 385, 505, 707, 770, 1010, 1111, 1414, 2222, 3535, 5555, 7070, 7777, 11110, 15554, 20809, 38885, 41618, 77770, 104045, 145663, 208090, 228899, 291326, 457798, 728315, 1144495, 1456630, 1602293, 2101709, 2288990, 3204586, 4203418, 8011465, 10508545, 14711963, 16022930, 21017090, 23118799, 29423926, 46237598, 73559815, 115593995, 147119630, 161831593, 231187990, 323663186, 809157965, 1618315930]

約数ペア:

[(1, 1618315930), (2, 809157965), (5, 323663186), (7, 231187990), (10, 161831593), (11, 147119630), (14, 115593995), (22, 73559815), (35, 46237598), (55, 29423926), (70, 23118799), (77, 21017090), (101, 16022930), (110, 14711963), (154, 10508545), (202, 8011465), (385, 4203418), (505, 3204586), (707, 2288990), (770, 2101709), (1010, 1602293), (1111, 1456630), (1414, 1144495), (2222, 728315), (3535, 457798), (5555, 291326), (7070, 228899), (7777, 208090), (11110, 145663), (15554, 104045), (20809, 77770), (38885, 41618)]