423990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{673}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 1261728

約数和(自身を除く): 837738

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 673, 1346, 2019, 3365, 4038, 4711, 6057, 6730, 9422, 10095, 12114, 14133, 20190, 23555, 28266, 30285, 42399, 47110, 60570, 70665, 84798, 141330, 211995, 423990]

約数ペア:

[(1, 423990), (2, 211995), (3, 141330), (5, 84798), (6, 70665), (7, 60570), (9, 47110), (10, 42399), (14, 30285), (15, 28266), (18, 23555), (21, 20190), (30, 14133), (35, 12114), (42, 10095), (45, 9422), (63, 6730), (70, 6057), (90, 4711), (105, 4038), (126, 3365), (210, 2019), (315, 1346), (630, 673)]