53373740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 131861520

約数和(自身を除く): 78487780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 107, 140, 196, 214, 245, 428, 490, 509, 535, 749, 980, 1018, 1070, 1498, 2036, 2140, 2545, 2996, 3563, 3745, 5090, 5243, 7126, 7490, 10180, 10486, 14252, 14980, 17815, 20972, 24941, 26215, 35630, 49882, 52430, 54463, 71260, 99764, 104860, 108926, 124705, 217852, 249410, 272315, 381241, 498820, 544630, 762482, 1089260, 1524964, 1906205, 2668687, 3812410, 5337374, 7624820, 10674748, 13343435, 26686870, 53373740]

約数ペア:

[(1, 53373740), (2, 26686870), (4, 13343435), (5, 10674748), (7, 7624820), (10, 5337374), (14, 3812410), (20, 2668687), (28, 1906205), (35, 1524964), (49, 1089260), (70, 762482), (98, 544630), (107, 498820), (140, 381241), (196, 272315), (214, 249410), (245, 217852), (428, 124705), (490, 108926), (509, 104860), (535, 99764), (749, 71260), (980, 54463), (1018, 52430), (1070, 49882), (1498, 35630), (2036, 26215), (2140, 24941), (2545, 20972), (2996, 17815), (3563, 14980), (3745, 14252), (5090, 10486), (5243, 10180), (7126, 7490)]