27919900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^2\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 54

約数和(自身を含む): 62438712

約数和(自身を除く): 34518812

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 151, 172, 215, 302, 430, 604, 755, 860, 1075, 1510, 1849, 2150, 3020, 3698, 3775, 4300, 6493, 7396, 7550, 9245, 12986, 15100, 18490, 25972, 32465, 36980, 46225, 64930, 92450, 129860, 162325, 184900, 279199, 324650, 558398, 649300, 1116796, 1395995, 2791990, 5583980, 6979975, 13959950, 27919900]

約数ペア:

[(1, 27919900), (2, 13959950), (4, 6979975), (5, 5583980), (10, 2791990), (20, 1395995), (25, 1116796), (43, 649300), (50, 558398), (86, 324650), (100, 279199), (151, 184900), (172, 162325), (215, 129860), (302, 92450), (430, 64930), (604, 46225), (755, 36980), (860, 32465), (1075, 25972), (1510, 18490), (1849, 15100), (2150, 12986), (3020, 9245), (3698, 7550), (3775, 7396), (4300, 6493)]