388390010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{4523}}^1$

素因数の和:4838

約数の個数: 32

約数和(自身を含む): 724419072

約数和(自身を除く): 336029062

約数列:

[1, 2, 5, 10, 31, 62, 155, 277, 310, 554, 1385, 2770, 4523, 8587, 9046, 17174, 22615, 42935, 45230, 85870, 140213, 280426, 701065, 1252871, 1402130, 2505742, 6264355, 12528710, 38839001, 77678002, 194195005, 388390010]

約数ペア:

[(1, 388390010), (2, 194195005), (5, 77678002), (10, 38839001), (31, 12528710), (62, 6264355), (155, 2505742), (277, 1402130), (310, 1252871), (554, 701065), (1385, 280426), (2770, 140213), (4523, 85870), (8587, 45230), (9046, 42935), (17174, 22615)]