74347980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{177019}}^1$

素因数の和:177038

約数の個数: 48

約数和(自身を含む): 237914880

約数和(自身を除く): 163566900

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, 177019, 354038, 531057, 708076, 885095, 1062114, 1239133, 1770190, 2124228, 2478266, 2655285, 3540380, 3717399, 4956532, 5310570, 6195665, 7434798, 10621140, 12391330, 14869596, 18586995, 24782660, 37173990, 74347980]

約数ペア:

[(1, 74347980), (2, 37173990), (3, 24782660), (4, 18586995), (5, 14869596), (6, 12391330), (7, 10621140), (10, 7434798), (12, 6195665), (14, 5310570), (15, 4956532), (20, 3717399), (21, 3540380), (28, 2655285), (30, 2478266), (35, 2124228), (42, 1770190), (60, 1239133), (70, 1062114), (84, 885095), (105, 708076), (140, 531057), (210, 354038), (420, 177019)]