28228300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 65620800

約数和(自身を除く): 37392500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 83, 95, 100, 166, 179, 190, 332, 358, 380, 415, 475, 716, 830, 895, 950, 1577, 1660, 1790, 1900, 2075, 3154, 3401, 3580, 4150, 4475, 6308, 6802, 7885, 8300, 8950, 13604, 14857, 15770, 17005, 17900, 29714, 31540, 34010, 39425, 59428, 68020, 74285, 78850, 85025, 148570, 157700, 170050, 282283, 297140, 340100, 371425, 564566, 742850, 1129132, 1411415, 1485700, 2822830, 5645660, 7057075, 14114150, 28228300]

約数ペア:

[(1, 28228300), (2, 14114150), (4, 7057075), (5, 5645660), (10, 2822830), (19, 1485700), (20, 1411415), (25, 1129132), (38, 742850), (50, 564566), (76, 371425), (83, 340100), (95, 297140), (100, 282283), (166, 170050), (179, 157700), (190, 148570), (332, 85025), (358, 78850), (380, 74285), (415, 68020), (475, 59428), (716, 39425), (830, 34010), (895, 31540), (950, 29714), (1577, 17900), (1660, 17005), (1790, 15770), (1900, 14857), (2075, 13604), (3154, 8950), (3401, 8300), (3580, 7885), (4150, 6802), (4475, 6308)]