85636420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 196824600

約数和(自身を除く): 111188180

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 361, 380, 409, 551, 580, 722, 818, 1102, 1444, 1636, 1805, 2045, 2204, 2755, 3610, 4090, 5510, 7220, 7771, 8180, 10469, 11020, 11861, 15542, 20938, 23722, 31084, 38855, 41876, 47444, 52345, 59305, 77710, 104690, 118610, 147649, 155420, 209380, 225359, 237220, 295298, 450718, 590596, 738245, 901436, 1126795, 1476490, 2253590, 2952980, 4281821, 4507180, 8563642, 17127284, 21409105, 42818210, 85636420]

約数ペア:

[(1, 85636420), (2, 42818210), (4, 21409105), (5, 17127284), (10, 8563642), (19, 4507180), (20, 4281821), (29, 2952980), (38, 2253590), (58, 1476490), (76, 1126795), (95, 901436), (116, 738245), (145, 590596), (190, 450718), (290, 295298), (361, 237220), (380, 225359), (409, 209380), (551, 155420), (580, 147649), (722, 118610), (818, 104690), (1102, 77710), (1444, 59305), (1636, 52345), (1805, 47444), (2045, 41876), (2204, 38855), (2755, 31084), (3610, 23722), (4090, 20938), (5510, 15542), (7220, 11861), (7771, 11020), (8180, 10469)]