28726150

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:517

約数の個数: 48

約数和(自身を含む): 56567808

約数和(自身を除く): 27841658

約数列:

[1, 2, 5, 10, 25, 31, 43, 50, 62, 86, 155, 215, 310, 430, 431, 775, 862, 1075, 1333, 1550, 2150, 2155, 2666, 4310, 6665, 10775, 13330, 13361, 18533, 21550, 26722, 33325, 37066, 66650, 66805, 92665, 133610, 185330, 334025, 463325, 574523, 668050, 926650, 1149046, 2872615, 5745230, 14363075, 28726150]

約数ペア:

[(1, 28726150), (2, 14363075), (5, 5745230), (10, 2872615), (25, 1149046), (31, 926650), (43, 668050), (50, 574523), (62, 463325), (86, 334025), (155, 185330), (215, 133610), (310, 92665), (430, 66805), (431, 66650), (775, 37066), (862, 33325), (1075, 26722), (1333, 21550), (1550, 18533), (2150, 13361), (2155, 13330), (2666, 10775), (4310, 6665)]