127983100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{26119}}^1$

素因数の和:26147

約数の個数: 54

約数和(自身を含む): 323078280

約数和(自身を除く): 195095180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 26119, 52238, 104476, 130595, 182833, 261190, 365666, 522380, 652975, 731332, 914165, 1279831, 1305950, 1828330, 2559662, 2611900, 3656660, 4570825, 5119324, 6399155, 9141650, 12798310, 18283300, 25596620, 31995775, 63991550, 127983100]

約数ペア:

[(1, 127983100), (2, 63991550), (4, 31995775), (5, 25596620), (7, 18283300), (10, 12798310), (14, 9141650), (20, 6399155), (25, 5119324), (28, 4570825), (35, 3656660), (49, 2611900), (50, 2559662), (70, 1828330), (98, 1305950), (100, 1279831), (140, 914165), (175, 731332), (196, 652975), (245, 522380), (350, 365666), (490, 261190), (700, 182833), (980, 130595), (1225, 104476), (2450, 52238), (4900, 26119)]