30871850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 59808672

約数和(自身を除く): 28936822

約数列:

[1, 2, 5, 10, 25, 43, 50, 83, 86, 166, 173, 215, 346, 415, 430, 830, 865, 1075, 1730, 2075, 2150, 3569, 4150, 4325, 7138, 7439, 8650, 14359, 14878, 17845, 28718, 35690, 37195, 71795, 74390, 89225, 143590, 178450, 185975, 358975, 371950, 617437, 717950, 1234874, 3087185, 6174370, 15435925, 30871850]

約数ペア:

[(1, 30871850), (2, 15435925), (5, 6174370), (10, 3087185), (25, 1234874), (43, 717950), (50, 617437), (83, 371950), (86, 358975), (166, 185975), (173, 178450), (215, 143590), (346, 89225), (415, 74390), (430, 71795), (830, 37195), (865, 35690), (1075, 28718), (1730, 17845), (2075, 14878), (2150, 14359), (3569, 8650), (4150, 7439), (4325, 7138)]