209035784080

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2081}}^1\times {\mathrm{3557}}^1$

素因数の和:6004

約数の個数: 80

約数和(自身を含む): 487756286064

約数和(自身を除く): 278720501984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2081, 2824, 3530, 3557, 4162, 5648, 7060, 7114, 8324, 10405, 14120, 14228, 16648, 17785, 20810, 28240, 28456, 33296, 35570, 41620, 56912, 71140, 83240, 142280, 166480, 284560, 734593, 1255621, 1469186, 2511242, 2938372, 3672965, 5022484, 5876744, 6278105, 7345930, 7402117, 10044968, 11753488, 12556210, 14691860, 14804234, 20089936, 25112420, 29383720, 29608468, 37010585, 50224840, 58767440, 59216936, 74021170, 100449680, 118433872, 148042340, 296084680, 592169360, 2612947301, 5225894602, 10451789204, 13064736505, 20903578408, 26129473010, 41807156816, 52258946020, 104517892040, 209035784080]

約数ペア:

[(1, 209035784080), (2, 104517892040), (4, 52258946020), (5, 41807156816), (8, 26129473010), (10, 20903578408), (16, 13064736505), (20, 10451789204), (40, 5225894602), (80, 2612947301), (353, 592169360), (706, 296084680), (1412, 148042340), (1765, 118433872), (2081, 100449680), (2824, 74021170), (3530, 59216936), (3557, 58767440), (4162, 50224840), (5648, 37010585), (7060, 29608468), (7114, 29383720), (8324, 25112420), (10405, 20089936), (14120, 14804234), (14228, 14691860), (16648, 12556210), (17785, 11753488), (20810, 10044968), (28240, 7402117), (28456, 7345930), (33296, 6278105), (35570, 5876744), (41620, 5022484), (56912, 3672965), (71140, 2938372), (83240, 2511242), (142280, 1469186), (166480, 1255621), (284560, 734593)]