123577340

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 264176640

約数和(自身を除く): 140599300

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 239, 251, 412, 478, 502, 515, 956, 1004, 1030, 1195, 1255, 2060, 2390, 2510, 4780, 5020, 24617, 25853, 49234, 51706, 59989, 98468, 103412, 119978, 123085, 129265, 239956, 246170, 258530, 299945, 492340, 517060, 599890, 1199780, 6178867, 12357734, 24715468, 30894335, 61788670, 123577340]

約数ペア:

[(1, 123577340), (2, 61788670), (4, 30894335), (5, 24715468), (10, 12357734), (20, 6178867), (103, 1199780), (206, 599890), (239, 517060), (251, 492340), (412, 299945), (478, 258530), (502, 246170), (515, 239956), (956, 129265), (1004, 123085), (1030, 119978), (1195, 103412), (1255, 98468), (2060, 59989), (2390, 51706), (2510, 49234), (4780, 25853), (5020, 24617)]