128953300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{26317}}^1$

素因数の和:26345

約数の個数: 54

約数和(自身を含む): 325527342

約数和(自身を除く): 196574042

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, 26317, 52634, 105268, 131585, 184219, 263170, 368438, 526340, 657925, 736876, 921095, 1289533, 1315850, 1842190, 2579066, 2631700, 3684380, 4605475, 5158132, 6447665, 9210950, 12895330, 18421900, 25790660, 32238325, 64476650, 128953300]

約数ペア:

[(1, 128953300), (2, 64476650), (4, 32238325), (5, 25790660), (7, 18421900), (10, 12895330), (14, 9210950), (20, 6447665), (25, 5158132), (28, 4605475), (35, 3684380), (49, 2631700), (50, 2579066), (70, 1842190), (98, 1315850), (100, 1289533), (140, 921095), (175, 736876), (196, 657925), (245, 526340), (350, 368438), (490, 263170), (700, 184219), (980, 131585), (1225, 105268), (2450, 52634), (4900, 26317)]