729023820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1735771}}^1$

素因数の和:1735790

約数の個数: 48

約数和(自身を含む): 2332877568

約数和(自身を除く): 1603853748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1735771, 3471542, 5207313, 6943084, 8678855, 10414626, 12150397, 17357710, 20829252, 24300794, 26036565, 34715420, 36451191, 48601588, 52073130, 60751985, 72902382, 104146260, 121503970, 145804764, 182255955, 243007940, 364511910, 729023820]

約数ペア:

[(1, 729023820), (2, 364511910), (3, 243007940), (4, 182255955), (5, 145804764), (6, 121503970), (7, 104146260), (10, 72902382), (12, 60751985), (14, 52073130), (15, 48601588), (20, 36451191), (21, 34715420), (28, 26036565), (30, 24300794), (35, 20829252), (42, 17357710), (60, 12150397), (70, 10414626), (84, 8678855), (105, 6943084), (140, 5207313), (210, 3471542), (420, 1735771)]