28654090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 29406710

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 79, 83, 95, 115, 158, 166, 190, 230, 395, 415, 437, 790, 830, 874, 1501, 1577, 1817, 1909, 2185, 3002, 3154, 3634, 3818, 4370, 6557, 7505, 7885, 9085, 9545, 13114, 15010, 15770, 18170, 19090, 32785, 34523, 36271, 65570, 69046, 72542, 124583, 150811, 172615, 181355, 249166, 301622, 345230, 362710, 622915, 754055, 1245830, 1508110, 2865409, 5730818, 14327045, 28654090]

約数ペア:

[(1, 28654090), (2, 14327045), (5, 5730818), (10, 2865409), (19, 1508110), (23, 1245830), (38, 754055), (46, 622915), (79, 362710), (83, 345230), (95, 301622), (115, 249166), (158, 181355), (166, 172615), (190, 150811), (230, 124583), (395, 72542), (415, 69046), (437, 65570), (790, 36271), (830, 34523), (874, 32785), (1501, 19090), (1577, 18170), (1817, 15770), (1909, 15010), (2185, 13114), (3002, 9545), (3154, 9085), (3634, 7885), (3818, 7505), (4370, 6557)]