28976900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 67287360

約数和(自身を除く): 38310460

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 101, 151, 190, 202, 302, 380, 404, 475, 505, 604, 755, 950, 1010, 1510, 1900, 1919, 2020, 2525, 2869, 3020, 3775, 3838, 5050, 5738, 7550, 7676, 9595, 10100, 11476, 14345, 15100, 15251, 19190, 28690, 30502, 38380, 47975, 57380, 61004, 71725, 76255, 95950, 143450, 152510, 191900, 286900, 289769, 305020, 381275, 579538, 762550, 1159076, 1448845, 1525100, 2897690, 5795380, 7244225, 14488450, 28976900]

約数ペア:

[(1, 28976900), (2, 14488450), (4, 7244225), (5, 5795380), (10, 2897690), (19, 1525100), (20, 1448845), (25, 1159076), (38, 762550), (50, 579538), (76, 381275), (95, 305020), (100, 289769), (101, 286900), (151, 191900), (190, 152510), (202, 143450), (302, 95950), (380, 76255), (404, 71725), (475, 61004), (505, 57380), (604, 47975), (755, 38380), (950, 30502), (1010, 28690), (1510, 19190), (1900, 15251), (1919, 15100), (2020, 14345), (2525, 11476), (2869, 10100), (3020, 9595), (3775, 7676), (3838, 7550), (5050, 5738)]