1228779900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{1365311}}^1$

素因数の和:1365331

約数の個数: 54

約数和(自身を含む): 3851545152

約数和(自身を除く): 2622765252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 1365311, 2730622, 4095933, 5461244, 6826555, 8191866, 12287799, 13653110, 16383732, 20479665, 24575598, 27306220, 34132775, 40959330, 49151196, 61438995, 68265550, 81918660, 102398325, 122877990, 136531100, 204796650, 245755980, 307194975, 409593300, 614389950, 1228779900]

約数ペア:

[(1, 1228779900), (2, 614389950), (3, 409593300), (4, 307194975), (5, 245755980), (6, 204796650), (9, 136531100), (10, 122877990), (12, 102398325), (15, 81918660), (18, 68265550), (20, 61438995), (25, 49151196), (30, 40959330), (36, 34132775), (45, 27306220), (50, 24575598), (60, 20479665), (75, 16383732), (90, 13653110), (100, 12287799), (150, 8191866), (180, 6826555), (225, 5461244), (300, 4095933), (450, 2730622), (900, 1365311)]