7231420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 18156096

約数和(自身を除く): 10924676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 157, 188, 196, 235, 245, 314, 329, 470, 490, 628, 658, 785, 940, 980, 1099, 1316, 1570, 1645, 2198, 2303, 3140, 3290, 4396, 4606, 5495, 6580, 7379, 7693, 9212, 10990, 11515, 14758, 15386, 21980, 23030, 29516, 30772, 36895, 38465, 46060, 51653, 73790, 76930, 103306, 147580, 153860, 206612, 258265, 361571, 516530, 723142, 1033060, 1446284, 1807855, 3615710, 7231420]

約数ペア:

[(1, 7231420), (2, 3615710), (4, 1807855), (5, 1446284), (7, 1033060), (10, 723142), (14, 516530), (20, 361571), (28, 258265), (35, 206612), (47, 153860), (49, 147580), (70, 103306), (94, 76930), (98, 73790), (140, 51653), (157, 46060), (188, 38465), (196, 36895), (235, 30772), (245, 29516), (314, 23030), (329, 21980), (470, 15386), (490, 14758), (628, 11515), (658, 10990), (785, 9212), (940, 7693), (980, 7379), (1099, 6580), (1316, 5495), (1570, 4606), (1645, 4396), (2198, 3290), (2303, 3140)]