506540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 48

約数和(自身を含む): 1182720

約数和(自身を除く): 676180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 43, 62, 76, 86, 95, 124, 155, 172, 190, 215, 310, 380, 430, 589, 620, 817, 860, 1178, 1333, 1634, 2356, 2666, 2945, 3268, 4085, 5332, 5890, 6665, 8170, 11780, 13330, 16340, 25327, 26660, 50654, 101308, 126635, 253270, 506540]

約数ペア:

[(1, 506540), (2, 253270), (4, 126635), (5, 101308), (10, 50654), (19, 26660), (20, 25327), (31, 16340), (38, 13330), (43, 11780), (62, 8170), (76, 6665), (86, 5890), (95, 5332), (124, 4085), (155, 3268), (172, 2945), (190, 2666), (215, 2356), (310, 1634), (380, 1333), (430, 1178), (589, 860), (620, 817)]